253804470 has 32 divisors (see below), whose sum is σ = 641191680. Its totient is φ = 64118880.

The previous prime is 253804427. The next prime is 253804483. The reversal of 253804470 is 74408352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222066 + ... + 223205.

It is an arithmetic number, because the mean of its divisors is an integer number (20037240).

Almost surely, 2^253804470 is an apocalyptic number.

253804470 is an abundant number, since it is smaller than the sum of its proper divisors (387387210).

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

253804470 is a wasteful number, since it uses less digits than its factorization.

253804470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445300.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 253804470 is about 15931.2419478206. The cubic root of 253804470 is about 633.1400053192.

The spelling of 253804470 in words is "two hundred fifty-three million, eight hundred four thousand, four hundred seventy".