253890246 has 16 divisors (see below), whose sum is σ = 517361904. Its totient is φ = 83033184.

The previous prime is 253890227. The next prime is 253890253. The reversal of 253890246 is 642098352.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 398881 + ... + 399516.

It is an arithmetic number, because the mean of its divisors is an integer number (32335119).

Almost surely, 2^253890246 is an apocalyptic number.

253890246 is an abundant number, since it is smaller than the sum of its proper divisors (263471658).

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

253890246 is a wasteful number, since it uses less digits than its factorization.

253890246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798455.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 253890246 is about 15933.9337892436. The cubic root of 253890246 is about 633.2113228184.

The spelling of 253890246 in words is "two hundred fifty-three million, eight hundred ninety thousand, two hundred forty-six".