249893064 has 48 divisors (see below), whose sum is σ = 716608620. Its totient is φ = 78397440.

The previous prime is 249893051. The next prime is 249893123. The reversal of 249893064 is 460398942.

It can be written as a sum of positive squares in 2 ways, for example, as 235376964 + 14516100 = 15342^2 + 3810^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100857 + ... + 103304.

Almost surely, 2^249893064 is an apocalyptic number.

249893064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

249893064 is an abundant number, since it is smaller than the sum of its proper divisors (466715556).

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

249893064 is a wasteful number, since it uses less digits than its factorization.

249893064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204190 (or 204183 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 249893064 is about 15808.0063259097. The cubic root of 249893064 is about 629.8706915261.

The spelling of 249893064 in words is "two hundred forty-nine million, eight hundred ninety-three thousand, sixty-four".