249098086 has 4 divisors (see below), whose sum is σ = 373647132. Its totient is φ = 124549042.

The previous prime is 249098077. The next prime is 249098089. The reversal of 249098086 is 680890942.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249098089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62274520 + ... + 62274523.

It is an arithmetic number, because the mean of its divisors is an integer number (93411783).

Almost surely, 2^249098086 is an apocalyptic number.

249098086 is a deficient number, since it is larger than the sum of its proper divisors (124549046).

249098086 is a wasteful number, since it uses less digits than its factorization.

249098086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124549045.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 249098086 is about 15782.8415058886. The cubic root of 249098086 is about 629.2020518223.

It can be divided in two parts, 2490 and 98086, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 249098086 in words is "two hundred forty-nine million, ninety-eight thousand, eighty-six".