402401694 has 16 divisors (see below), whose sum is σ = 808012800. Its totient is φ = 133599000.

The previous prime is 402401693. The next prime is 402401707. The reversal of 402401694 is 496104204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402401693) 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, 132094 + ... + 135105.

It is an arithmetic number, because the mean of its divisors is an integer number (50500800).

Almost surely, 2^402401694 is an apocalyptic number.

402401694 is an abundant number, since it is smaller than the sum of its proper divisors (405611106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402401694 is a wasteful number, since it uses less digits than its factorization.

402401694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267455.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 402401694 is about 20059.9524924662. The cubic root of 402401694 is about 738.2780108709.

Adding to 402401694 its reverse (496104204), we get a palindrome (898505898).

The spelling of 402401694 in words is "four hundred two million, four hundred one thousand, six hundred ninety-four".