402938004 has 48 divisors (see below), whose sum is σ = 1075483136. Its totient is φ = 115020000.

The previous prime is 402937991. The next prime is 402938023. The reversal of 402938004 is 400839204.

402938004 = T₃₅₄₅ + T₃₅₄₆ + ... + T₃₆₀₇.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177879 + ... + 180129.

Almost surely, 2^402938004 is an apocalyptic number.

It is an amenable number.

402938004 is an abundant number, since it is smaller than the sum of its proper divisors (672545132).

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

402938004 is a wasteful number, since it uses less digits than its factorization.

402938004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396 (or 4394 counting only the distinct ones).

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

The square root of 402938004 is about 20073.3157201295. The cubic root of 402938004 is about 738.6058508660.

The spelling of 402938004 in words is "four hundred two million, nine hundred thirty-eight thousand, four".