253903914 has 24 divisors (see below), whose sum is σ = 600136992. Its totient is φ = 76940520.

The previous prime is 253903913. The next prime is 253903931. The reversal of 253903914 is 419309352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (253903913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640974 + ... + 641369.

It is an arithmetic number, because the mean of its divisors is an integer number (25005708).

Almost surely, 2^253903914 is an apocalyptic number.

253903914 is an abundant number, since it is smaller than the sum of its proper divisors (346233078).

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

253903914 is a wasteful number, since it uses less digits than its factorization.

253903914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282362 (or 1282359 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 253903914 is about 15934.3626794422. The cubic root of 253903914 is about 633.2226854408. Note that the first 3 decimals are identical.

The spelling of 253903914 in words is "two hundred fifty-three million, nine hundred three thousand, nine hundred fourteen".