3132420 has 96 divisors (see below), whose sum is σ = 9652608. Its totient is φ = 755712.

The previous prime is 3132413. The next prime is 3132431. The reversal of 3132420 is 242313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3132420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37699 + ... + 37781.

It is an arithmetic number, because the mean of its divisors is an integer number (100548).

Almost surely, 2^3132420 is an apocalyptic number.

3132420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3132420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4826304).

3132420 is an abundant number, since it is smaller than the sum of its proper divisors (6520188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3132420 is a wasteful number, since it uses less digits than its factorization.

3132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3132420 is about 1769.8644015856. The cubic root of 3132420 is about 146.3165085768.

Adding to 3132420 its reverse (242313), we get a palindrome (3374733).

The spelling of 3132420 in words is "three million, one hundred thirty-two thousand, four hundred twenty".