253694960 has 20 divisors (see below), whose sum is σ = 589840968. Its totient is φ = 101477952.

The previous prime is 253694953. The next prime is 253694963. The reversal of 253694960 is 69496352.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×253694960² = 128722265458803200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253694963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585514 + ... + 1585673.

Almost surely, 2^253694960 is an apocalyptic number.

253694960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253694960 is an abundant number, since it is smaller than the sum of its proper divisors (336146008).

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

253694960 is a wasteful number, since it uses less digits than its factorization.

253694960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171200 (or 3171194 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 253694960 is about 15927.8046195953. The cubic root of 253694960 is about 633.0489310939.

The spelling of 253694960 in words is "two hundred fifty-three million, six hundred ninety-four thousand, nine hundred sixty".