253847090 has 32 divisors (see below), whose sum is σ = 544907520. Its totient is φ = 83248704.

The previous prime is 253847059. The next prime is 253847101. The reversal of 253847090 is 90748352.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 77225 + ... + 80444.

It is an arithmetic number, because the mean of its divisors is an integer number (17028360).

Almost surely, 2^253847090 is an apocalyptic number.

253847090 is an abundant number, since it is smaller than the sum of its proper divisors (291060430).

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

253847090 is a wasteful number, since it uses less digits than its factorization.

253847090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157706.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 253847090 is about 15932.5795149436. The cubic root of 253847090 is about 633.1754432513.

The spelling of 253847090 in words is "two hundred fifty-three million, eight hundred forty-seven thousand, ninety".