245397966 has 32 divisors (see below), whose sum is σ = 541876608. Its totient is φ = 73465440.

The previous prime is 245397959. The next prime is 245397989. The reversal of 245397966 is 669793542.

It is a super-3 number, since 3×245397966³ (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 15 ways as a sum of consecutive naturals, for example, 16921 + ... + 27876.

It is an arithmetic number, because the mean of its divisors is an integer number (16933644).

Almost surely, 2^245397966 is an apocalyptic number.

245397966 is an abundant number, since it is smaller than the sum of its proper divisors (296478642).

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

245397966 is a wasteful number, since it uses less digits than its factorization.

245397966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44896.

The product of its digits is 2449440, while the sum is 51.

The square root of 245397966 is about 15665.1832418264. The cubic root of 245397966 is about 626.0710943491.

The spelling of 245397966 in words is "two hundred forty-five million, three hundred ninety-seven thousand, nine hundred sixty-six".