249193974 has 8 divisors (see below), whose sum is σ = 498387960. Its totient is φ = 83064656.

The previous prime is 249193963. The next prime is 249194003. The reversal of 249193974 is 479391942.

It is a happy number.

249193974 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

249193974 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20766159 + ... + 20766170.

It is an arithmetic number, because the mean of its divisors is an integer number (62298495).

Almost surely, 2^249193974 is an apocalyptic number.

249193974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

249193974 is a wasteful number, since it uses less digits than its factorization.

249193974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41532334.

The product of its digits is 489888, while the sum is 48.

The square root of 249193974 is about 15785.8789429034. The cubic root of 249193974 is about 629.2827766316.

The spelling of 249193974 in words is "two hundred forty-nine million, one hundred ninety-three thousand, nine hundred seventy-four".