249111474 has 32 divisors (see below), whose sum is σ = 519327744. Its totient is φ = 79572240.

The previous prime is 249111463. The next prime is 249111493. The reversal of 249111474 is 474111942.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12657 + ... + 25659.

It is an arithmetic number, because the mean of its divisors is an integer number (16228992).

Almost surely, 2^249111474 is an apocalyptic number.

249111474 is an abundant number, since it is smaller than the sum of its proper divisors (270216270).

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

249111474 is a wasteful number, since it uses less digits than its factorization.

249111474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13142.

The product of its digits is 8064, while the sum is 33.

The square root of 249111474 is about 15783.2656316746. The cubic root of 249111474 is about 629.2133239632.

The spelling of 249111474 in words is "two hundred forty-nine million, one hundred eleven thousand, four hundred seventy-four".