261324794 has 16 divisors (see below), whose sum is σ = 401251968. Its totient is φ = 127587072.

The previous prime is 261324787. The next prime is 261324851. The reversal of 261324794 is 497423162.

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, 40922 + ... + 46874.

It is an arithmetic number, because the mean of its divisors is an integer number (25078248).

Almost surely, 2^261324794 is an apocalyptic number.

261324794 is a deficient number, since it is larger than the sum of its proper divisors (139927174).

261324794 is a wasteful number, since it uses less digits than its factorization.

261324794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469.

The product of its digits is 72576, while the sum is 38.

The square root of 261324794 is about 16165.5434180234. The cubic root of 261324794 is about 639.3326327877.

The spelling of 261324794 in words is "two hundred sixty-one million, three hundred twenty-four thousand, seven hundred ninety-four".