249401092 has 12 divisors (see below), whose sum is σ = 437038336. Its totient is φ = 124533000.

The previous prime is 249401077. The next prime is 249401111. The reversal of 249401092 is 290104942.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38508 + ... + 44515.

Almost surely, 2^249401092 is an apocalyptic number.

It is an amenable number.

249401092 is a deficient number, since it is larger than the sum of its proper divisors (187637244).

249401092 is a wasteful number, since it uses less digits than its factorization.

249401092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83778 (or 83776 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 249401092 is about 15792.4378105472. The cubic root of 249401092 is about 629.4570715060.

The spelling of 249401092 in words is "two hundred forty-nine million, four hundred one thousand, ninety-two".