253396436 has 12 divisors (see below), whose sum is σ = 443737728. Its totient is φ = 126614232.

The previous prime is 253396397. The next prime is 253396447. The reversal of 253396436 is 634693352.

253396436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 253396393 and 253396402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13946 + ... + 26481.

It is an arithmetic number, because the mean of its divisors is an integer number (36978144).

Almost surely, 2^253396436 is an apocalyptic number.

It is an amenable number.

253396436 is a deficient number, since it is larger than the sum of its proper divisors (190341292).

253396436 is a wasteful number, since it uses less digits than its factorization.

253396436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41998 (or 41996 counting only the distinct ones).

The product of its digits is 349920, while the sum is 41.

The square root of 253396436 is about 15918.4307015484. The cubic root of 253396436 is about 632.8005297956.

The spelling of 253396436 in words is "two hundred fifty-three million, three hundred ninety-six thousand, four hundred thirty-six".