3896431 has 12 divisors (see below), whose sum is σ = 4945320. Its totient is φ = 3035760.

The previous prime is 3896413. The next prime is 3896443. The reversal of 3896431 is 1346983.

It is not a de Polignac number, because 3896431 - 2⁷ = 3896303 is a prime.

It is a super-2 number, since 2×3896431² = 30364349075522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3896461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3076 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (412110).

Almost surely, 2^3896431 is an apocalyptic number.

3896431 is a deficient number, since it is larger than the sum of its proper divisors (1048889).

3896431 is a wasteful number, since it uses less digits than its factorization.

3896431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254 (or 7247 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 3896431 is about 1973.9379422869. The cubic root of 3896431 is about 157.3580614242.

It can be divided in two parts, 38 and 96431, that added together give a palindrome (96469).

The spelling of 3896431 in words is "three million, eight hundred ninety-six thousand, four hundred thirty-one".