902399 has 4 divisors (see below), whose sum is σ = 905160. Its totient is φ = 899640.

The previous prime is 902389. The next prime is 902401. The reversal of 902399 is 993209.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 902399 - 2¹⁶ = 836863 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 (902389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (226290).

2⁹⁰²³⁹⁹ is an apocalyptic number.

902399 is a deficient number, since it is larger than the sum of its proper divisors (2761).

902399 is a wasteful number, since it uses less digits than its factorization.

902399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 902399 is about 949.9468406179. The cubic root of 902399 is about 96.6346478710.

The spelling of 902399 in words is "nine hundred two thousand, three hundred ninety-nine".