253690936 has 16 divisors (see below), whose sum is σ = 475851600. Its totient is φ = 126797184.

The previous prime is 253690919. The next prime is 253690937. The reversal of 253690936 is 639096352.

It is a junction number, because it is equal to n+sod(n) for n = 253690892 and 253690901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253690937) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26800 + ... + 35008.

It is an arithmetic number, because the mean of its divisors is an integer number (29740725).

Almost surely, 2^253690936 is an apocalyptic number.

It is an amenable number.

253690936 is a deficient number, since it is larger than the sum of its proper divisors (222160664).

253690936 is a wasteful number, since it uses less digits than its factorization.

253690936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12078 (or 12074 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 43.

The square root of 253690936 is about 15927.6782991119. The cubic root of 253690936 is about 633.0455840265.

The spelling of 253690936 in words is "two hundred fifty-three million, six hundred ninety thousand, nine hundred thirty-six".