253899398 has 8 divisors (see below), whose sum is σ = 381632592. Its totient is φ = 126688536.

The previous prime is 253899397. The next prime is 253899409. The reversal of 253899398 is 893998352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253899397) 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, 129365 + ... + 131312.

It is an arithmetic number, because the mean of its divisors is an integer number (47704074).

Almost surely, 2^253899398 is an apocalyptic number.

253899398 is a deficient number, since it is larger than the sum of its proper divisors (127733194).

253899398 is a wasteful number, since it uses less digits than its factorization.

253899398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261166.

The product of its digits is 4199040, while the sum is 56.

The square root of 253899398 is about 15934.2209724856. The cubic root of 253899398 is about 633.2189311983.

The spelling of 253899398 in words is "two hundred fifty-three million, eight hundred ninety-nine thousand, three hundred ninety-eight".