402038 has 24 divisors (see below), whose sum is σ = 758352. Its totient is φ = 155664.

The previous prime is 402037. The next prime is 402043. The reversal of 402038 is 830204.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8531 + ... + 8577.

It is an arithmetic number, because the mean of its divisors is an integer number (31598).

2⁴⁰²⁰³⁸ is an apocalyptic number.

402038 is a deficient number, since it is larger than the sum of its proper divisors (356314).

402038 is a wasteful number, since it uses less digits than its factorization.

402038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 402038 is about 634.0646654719. The cubic root of 402038 is about 73.8055523225.

The spelling of 402038 in words is "four hundred two thousand, thirty-eight".