402328903 has 16 divisors (see below), whose sum is σ = 429555456. Its totient is φ = 376009920.

The previous prime is 402328891. The next prime is 402328907. The reversal of 402328903 is 309823204.

It is a cyclic number.

It is not a de Polignac number, because 402328903 - 2⁹ = 402328391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402328907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200875 + ... + 202867.

It is an arithmetic number, because the mean of its divisors is an integer number (26847216).

Almost surely, 2^402328903 is an apocalyptic number.

402328903 is a deficient number, since it is larger than the sum of its proper divisors (27226553).

402328903 is a wasteful number, since it uses less digits than its factorization.

402328903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 402328903 is about 20058.1380741085. The cubic root of 402328903 is about 738.2334921423.

The spelling of 402328903 in words is "four hundred two million, three hundred twenty-eight thousand, nine hundred three".