253940706 has 24 divisors (see below), whose sum is σ = 550530864. Its totient is φ = 84596760.

The previous prime is 253940699. The next prime is 253940707. The reversal of 253940706 is 607049352.

It is not an unprimeable number, because it can be changed into a prime (253940707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39241 + ... + 45251.

It is an arithmetic number, because the mean of its divisors is an integer number (22938786).

Almost surely, 2^253940706 is an apocalyptic number.

253940706 is an abundant number, since it is smaller than the sum of its proper divisors (296590158).

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

253940706 is a wasteful number, since it uses less digits than its factorization.

253940706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366 (or 8363 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 253940706 is about 15935.5171237083. The cubic root of 253940706 is about 633.2532697190.

The spelling of 253940706 in words is "two hundred fifty-three million, nine hundred forty thousand, seven hundred six".