249033966 has 16 divisors (see below), whose sum is σ = 498903888. Its totient is φ = 82872000.

The previous prime is 249033923. The next prime is 249033971. The reversal of 249033966 is 669330942.

It is a super-3 number, since 3×249033966³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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, 30925 + ... + 38136.

It is an arithmetic number, because the mean of its divisors is an integer number (31181493).

Almost surely, 2^249033966 is an apocalyptic number.

249033966 is an abundant number, since it is smaller than the sum of its proper divisors (249869922).

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

249033966 is a wasteful number, since it uses less digits than its factorization.

249033966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69667.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 249033966 is about 15780.8100552538. The cubic root of 249033966 is about 629.1480598408.

The spelling of 249033966 in words is "two hundred forty-nine million, thirty-three thousand, nine hundred sixty-six".