902439 has 6 divisors (see below), whose sum is σ = 1303536. Its totient is φ = 601620.

The previous prime is 902437. The next prime is 902449. The reversal of 902439 is 934209.

It is not a de Polignac number, because 902439 - 2¹ = 902437 is a prime.

It is a super-2 number, since 2×902439² = 1628792297442, which contains 22 as substring.

902439 is a modest number, since divided by 2439 gives 9 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902437) 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 5 ways as a sum of consecutive naturals, for example, 50127 + ... + 50144.

It is an arithmetic number, because the mean of its divisors is an integer number (217256).

2⁹⁰²⁴³⁹ is an apocalyptic number.

902439 is a deficient number, since it is larger than the sum of its proper divisors (401097).

902439 is a wasteful number, since it uses less digits than its factorization.

902439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100277 (or 100274 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 902439 is about 949.9678941943. The cubic root of 902439 is about 96.6360756684.

The spelling of 902439 in words is "nine hundred two thousand, four hundred thirty-nine".