3652431 has 4 divisors (see below), whose sum is σ = 4869912. Its totient is φ = 2434952.

The previous prime is 3652421. The next prime is 3652447. The reversal of 3652431 is 1342563.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1342563 = 3 ⋅447521.

It is a cyclic number.

It is not a de Polignac number, because 3652431 - 2⁶ = 3652367 is a prime.

It is a super-2 number, since 2×3652431² = 26680504419522, which contains 22 as substring.

It is a D-number.

3652431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608736 + ... + 608741.

It is an arithmetic number, because the mean of its divisors is an integer number (1217478).

Almost surely, 2^3652431 is an apocalyptic number.

3652431 is a deficient number, since it is larger than the sum of its proper divisors (1217481).

3652431 is a wasteful number, since it uses less digits than its factorization.

3652431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217480.

The product of its digits is 2160, while the sum is 24.

The square root of 3652431 is about 1911.1334333322. The cubic root of 3652431 is about 154.0023471841.

Adding to 3652431 its reverse (1342563), we get a palindrome (4994994).

The spelling of 3652431 in words is "three million, six hundred fifty-two thousand, four hundred thirty-one".