3402431 has 8 divisors (see below), whose sum is σ = 3621024. Its totient is φ = 3185920.

The previous prime is 3402407. The next prime is 3402437. The reversal of 3402431 is 1342043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3402431 is a prime.

It is a super-2 number, since 2×3402431² = 23153073419522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4091 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (452628).

Almost surely, 2^3402431 is an apocalyptic number.

3402431 is a deficient number, since it is larger than the sum of its proper divisors (218593).

3402431 is a wasteful number, since it uses less digits than its factorization.

3402431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3402431 is about 1844.5679710978. The cubic root of 3402431 is about 150.4052891370.

Adding to 3402431 its reverse (1342043), we get a palindrome (4744474).

The spelling of 3402431 in words is "three million, four hundred two thousand, four hundred thirty-one".