253398694 has 8 divisors (see below), whose sum is σ = 393204960. Its totient is φ = 122330376.

The previous prime is 253398689. The next prime is 253398701. The reversal of 253398694 is 496893352.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2184414 + ... + 2184529.

It is an arithmetic number, because the mean of its divisors is an integer number (49150620).

Almost surely, 2^253398694 is an apocalyptic number.

253398694 is a deficient number, since it is larger than the sum of its proper divisors (139806266).

253398694 is a wasteful number, since it uses less digits than its factorization.

253398694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368974.

The product of its digits is 1399680, while the sum is 49.

The square root of 253398694 is about 15918.5016254671. The cubic root of 253398694 is about 632.8024094055.

The spelling of 253398694 in words is "two hundred fifty-three million, three hundred ninety-eight thousand, six hundred ninety-four".