249201898 has 16 divisors (see below), whose sum is σ = 410292576. Its totient is φ = 112577040.

The previous prime is 249201889. The next prime is 249201907. The reversal of 249201898 is 898102942.

It is an interprime number because it is at equal distance from previous prime (249201889) and next prime (249201907).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31161 + ... + 38332.

It is an arithmetic number, because the mean of its divisors is an integer number (25643286).

Almost surely, 2^249201898 is an apocalyptic number.

249201898 is a deficient number, since it is larger than the sum of its proper divisors (161090678).

249201898 is a wasteful number, since it uses less digits than its factorization.

249201898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69669.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 249201898 is about 15786.1299247156. The cubic root of 249201898 is about 629.2894466483.

The spelling of 249201898 in words is "two hundred forty-nine million, two hundred one thousand, eight hundred ninety-eight".