285402996 has 36 divisors (see below), whose sum is σ = 725191012. Its totient is φ = 94639104.

The previous prime is 285402979. The next prime is 285403043. The reversal of 285402996 is 699204582.

It can be written as a sum of positive squares in 2 ways, for example, as 179024400 + 106378596 = 13380^2 + 10314^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13591 + ... + 27486.

Almost surely, 2^285402996 is an apocalyptic number.

It is an amenable number.

285402996 is an abundant number, since it is smaller than the sum of its proper divisors (439788016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285402996 is a wasteful number, since it uses less digits than its factorization.

285402996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41280 (or 41275 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 285402996 is about 16893.8745111949. The cubic root of 285402996 is about 658.3944721869.

The spelling of 285402996 in words is "two hundred eighty-five million, four hundred two thousand, nine hundred ninety-six".