902881 has 4 divisors (see below), whose sum is σ = 1031872. Its totient is φ = 773892.

The previous prime is 902873. The next prime is 902903. The reversal of 902881 is 188209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 902881 - 2³ = 902873 is a prime.

It is a super-2 number, since 2×902881² = 1630388200322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (902821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64485 + ... + 64498.

It is an arithmetic number, because the mean of its divisors is an integer number (257968).

2⁹⁰²⁸⁸¹ is an apocalyptic number.

It is an amenable number.

902881 is a deficient number, since it is larger than the sum of its proper divisors (128991).

902881 is a wasteful number, since it uses less digits than its factorization.

902881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128990.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 902881 is about 950.2005051567. The cubic root of 902881 is about 96.6518500213.

The spelling of 902881 in words is "nine hundred two thousand, eight hundred eighty-one".