261314798 has 8 divisors (see below), whose sum is σ = 392519520. Its totient is φ = 130474960.

The previous prime is 261314791. The next prime is 261314843. The reversal of 261314798 is 897413162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261314791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89423 + ... + 92298.

It is an arithmetic number, because the mean of its divisors is an integer number (49064940).

Almost surely, 2^261314798 is an apocalyptic number.

261314798 is a deficient number, since it is larger than the sum of its proper divisors (131204722).

261314798 is a wasteful number, since it uses less digits than its factorization.

261314798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182442.

The product of its digits is 72576, while the sum is 41.

The square root of 261314798 is about 16165.2342389462. The cubic root of 261314798 is about 639.3244809264.

The spelling of 261314798 in words is "two hundred sixty-one million, three hundred fourteen thousand, seven hundred ninety-eight".