3954431 has 6 divisors (see below), whose sum is σ = 4282200. Its totient is φ = 3650088.

The previous prime is 3954397. The next prime is 3954437. The reversal of 3954431 is 1344593.

It is a de Polignac number, because none of the positive numbers 2^k-3954431 is a prime.

It is a super-2 number, since 2×3954431² = 31275049067522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3954394 and 3954403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11531 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (713700).

Almost surely, 2^3954431 is an apocalyptic number.

3954431 is a deficient number, since it is larger than the sum of its proper divisors (327769).

3954431 is a wasteful number, since it uses less digits than its factorization.

3954431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23425 (or 23412 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 3954431 is about 1988.5751180179. The cubic root of 3954431 is about 158.1349991854.

The spelling of 3954431 in words is "three million, nine hundred fifty-four thousand, four hundred thirty-one".