249498674 has 4 divisors (see below), whose sum is σ = 374248014. Its totient is φ = 124749336.

The previous prime is 249498673. The next prime is 249498677. The reversal of 249498674 is 476894942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 241336225 + 8162449 = 15535^2 + 2857^2 .

It is not an unprimeable number, because it can be changed into a prime (249498673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62374667 + ... + 62374670.

Almost surely, 2^249498674 is an apocalyptic number.

249498674 is a deficient number, since it is larger than the sum of its proper divisors (124749340).

249498674 is a wasteful number, since it uses less digits than its factorization.

249498674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124749339.

The product of its digits is 3483648, while the sum is 53.

The square root of 249498674 is about 15795.5270250790. The cubic root of 249498674 is about 629.5391557105.

The spelling of 249498674 in words is "two hundred forty-nine million, four hundred ninety-eight thousand, six hundred seventy-four".