250308396 has 72 divisors (see below), whose sum is σ = 704929680. Its totient is φ = 74358144.

The previous prime is 250308389. The next prime is 250308427. The reversal of 250308396 is 693803052.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 250308396.

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 23 ways as a sum of consecutive naturals, for example, 4351 + ... + 22793.

It is an arithmetic number, because the mean of its divisors is an integer number (9790690).

Almost surely, 2^250308396 is an apocalyptic number.

250308396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250308396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352464840).

250308396 is an abundant number, since it is smaller than the sum of its proper divisors (454621284).

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

250308396 is a wasteful number, since it uses less digits than its factorization.

250308396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18495 (or 18490 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 250308396 is about 15821.1376329264. The cubic root of 250308396 is about 630.2194549141.

The spelling of 250308396 in words is "two hundred fifty million, three hundred eight thousand, three hundred ninety-six".