249971802 has 16 divisors (see below), whose sum is σ = 501170880. Its totient is φ = 83119392.

The previous prime is 249971767. The next prime is 249971807. The reversal of 249971802 is 208179942.

249971802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249971807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48478 + ... + 53385.

It is an arithmetic number, because the mean of its divisors is an integer number (31323180).

Almost surely, 2^249971802 is an apocalyptic number.

249971802 is an abundant number, since it is smaller than the sum of its proper divisors (251199078).

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

249971802 is a wasteful number, since it uses less digits than its factorization.

249971802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102277.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 249971802 is about 15810.4965766417. The cubic root of 249971802 is about 629.9368392211.

The spelling of 249971802 in words is "two hundred forty-nine million, nine hundred seventy-one thousand, eight hundred two".