3653431 has 4 divisors (see below), whose sum is σ = 3703552. Its totient is φ = 3603312.

The previous prime is 3653423. The next prime is 3653467. The reversal of 3653431 is 1343563.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3653431 - 2³ = 3653423 is a prime.

It is a super-2 number, since 2×3653431² = 26695116143522, 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 = 3653396 and 3653405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24951 + ... + 25096.

It is an arithmetic number, because the mean of its divisors is an integer number (925888).

Almost surely, 2^3653431 is an apocalyptic number.

3653431 is a deficient number, since it is larger than the sum of its proper divisors (50121).

3653431 is an equidigital number, since it uses as much as digits as its factorization.

3653431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50120.

The product of its digits is 3240, while the sum is 25.

The square root of 3653431 is about 1911.3950402782. The cubic root of 3653431 is about 154.0164006820.

Adding to 3653431 its reverse (1343563), we get a palindrome (4996994).

The spelling of 3653431 in words is "three million, six hundred fifty-three thousand, four hundred thirty-one".