253867768 has 32 divisors (see below), whose sum is σ = 593458560. Its totient is φ = 98909280.

The previous prime is 253867751. The next prime is 253867819. The reversal of 253867768 is 867768352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205446 + ... + 206677.

It is an arithmetic number, because the mean of its divisors is an integer number (18545580).

Almost surely, 2^253867768 is an apocalyptic number.

253867768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

253867768 is an abundant number, since it is smaller than the sum of its proper divisors (339590792).

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

253867768 is a wasteful number, since it uses less digits than its factorization.

253867768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412147 (or 412143 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 253867768 is about 15933.2284236435. The cubic root of 253867768 is about 633.1926352891.

The spelling of 253867768 in words is "two hundred fifty-three million, eight hundred sixty-seven thousand, seven hundred sixty-eight".