402034234 has 16 divisors (see below), whose sum is σ = 698910336. Its totient is φ = 169873200.

The previous prime is 402034189. The next prime is 402034249. The reversal of 402034234 is 432430204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201237 + ... + 203224.

It is an arithmetic number, because the mean of its divisors is an integer number (43681896).

Almost surely, 2^402034234 is an apocalyptic number.

402034234 is a deficient number, since it is larger than the sum of its proper divisors (296876102).

402034234 is a wasteful number, since it uses less digits than its factorization.

402034234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404541.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 402034234 is about 20050.7913559540. The cubic root of 402034234 is about 738.0532186953.

Adding to 402034234 its reverse (432430204), we get a palindrome (834464438).

The spelling of 402034234 in words is "four hundred two million, thirty-four thousand, two hundred thirty-four".