402334234 has 8 divisors (see below), whose sum is σ = 635264640. Its totient is φ = 190579356.

The previous prime is 402334133. The next prime is 402334243. The reversal of 402334234 is 432433204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402334199 and 402334208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5293834 + ... + 5293909.

It is an arithmetic number, because the mean of its divisors is an integer number (79408080).

Almost surely, 2^402334234 is an apocalyptic number.

402334234 is a deficient number, since it is larger than the sum of its proper divisors (232930406).

402334234 is a wasteful number, since it uses less digits than its factorization.

402334234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10587764.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 402334234 is about 20058.2709623736. The cubic root of 402334234 is about 738.2367527461.

Adding to 402334234 its reverse (432433204), we get a palindrome (834767438).

The spelling of 402334234 in words is "four hundred two million, three hundred thirty-four thousand, two hundred thirty-four".