3132421 has 8 divisors (see below), whose sum is σ = 3242624. Its totient is φ = 3024000.

The previous prime is 3132413. The next prime is 3132431. The reversal of 3132421 is 1242313.

It is a happy number.

3132421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3132421 - 2³ = 3132413 is a prime.

It is a super-2 number, since 2×3132421² = 19624122642482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3132395 and 3132404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3796 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (405328).

Almost surely, 2^3132421 is an apocalyptic number.

It is an amenable number.

3132421 is a deficient number, since it is larger than the sum of its proper divisors (110203).

3132421 is an equidigital number, since it uses as much as digits as its factorization.

3132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891.

The product of its digits is 144, while the sum is 16.

The square root of 3132421 is about 1769.8646840931. The cubic root of 3132421 is about 146.3165241469.

Adding to 3132421 its reverse (1242313), we get a palindrome (4374734).

It can be divided in two parts, 3132 and 421, that added together give a palindrome (3553).

The spelling of 3132421 in words is "three million, one hundred thirty-two thousand, four hundred twenty-one".