249551046 has 24 divisors (see below), whose sum is σ = 547541280. Its totient is φ = 82130256.

The previous prime is 249551021. The next prime is 249551047. The reversal of 249551046 is 640155942.

It is a self number, because there is not a number n which added to its sum of digits gives 249551046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249551047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86325 + ... + 89168.

It is an arithmetic number, because the mean of its divisors is an integer number (22814220).

Almost surely, 2^249551046 is an apocalyptic number.

249551046 is an abundant number, since it is smaller than the sum of its proper divisors (297990234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249551046 is a wasteful number, since it uses less digits than its factorization.

249551046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175580 (or 175577 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 249551046 is about 15797.1847491887. The cubic root of 249551046 is about 629.5832012592.

The spelling of 249551046 in words is "two hundred forty-nine million, five hundred fifty-one thousand, forty-six".