249332842 has 24 divisors (see below), whose sum is σ = 415200996. Its totient is φ = 112211000.

The previous prime is 249332819. The next prime is 249332873. The reversal of 249332842 is 248233942.

249332842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194853681 + 54479161 = 13959^2 + 7381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2468592 + ... + 2468692.

Almost surely, 2^249332842 is an apocalyptic number.

249332842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

249332842 is a deficient number, since it is larger than the sum of its proper divisors (165868154).

249332842 is an frugal number, since it uses more digits than its factorization.

249332842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 114 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 249332842 is about 15790.2768183462. The cubic root of 249332842 is about 629.3996481213.

The spelling of 249332842 in words is "two hundred forty-nine million, three hundred thirty-two thousand, eight hundred forty-two".