902638 has 16 divisors (see below), whose sum is σ = 1496880. Its totient is φ = 404800.

The previous prime is 902611. The next prime is 902639. The reversal of 902638 is 836209.

It is a super-3 number, since 3×902638³ = 2206287443330274216, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902639) 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 in 7 ways as a sum of consecutive naturals, for example, 1728 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (93555).

2⁹⁰²⁶³⁸ is an apocalyptic number.

902638 is a deficient number, since it is larger than the sum of its proper divisors (594242).

902638 is a wasteful number, since it uses less digits than its factorization.

902638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 902638 is about 950.0726288027. The cubic root of 902638 is about 96.6431783334.

It can be divided in two parts, 902 and 638, that added together give a triangular number (1540 = T₅₅).

The spelling of 902638 in words is "nine hundred two thousand, six hundred thirty-eight".