902878 has 4 divisors (see below), whose sum is σ = 1354320. Its totient is φ = 451438.

The previous prime is 902873. The next prime is 902903. The reversal of 902878 is 878209.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 878209 = 23 ⋅38183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225718 + ... + 225721.

It is an arithmetic number, because the mean of its divisors is an integer number (338580).

2⁹⁰²⁸⁷⁸ is an apocalyptic number.

902878 is a deficient number, since it is larger than the sum of its proper divisors (451442).

902878 is a wasteful number, since it uses less digits than its factorization.

902878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451441.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 902878 is about 950.1989265412. The cubic root of 902878 is about 96.6517429729.

The spelling of 902878 in words is "nine hundred two thousand, eight hundred seventy-eight".