981294895 has 32 divisors (see below), whose sum is σ = 1398643200. Its totient is φ = 646670976.

The previous prime is 981294889. The next prime is 981294907. The reversal of 981294895 is 598492189.

It is not a de Polignac number, because 981294895 - 2³ = 981294887 is a prime.

It is a super-2 number, since 2×981294895² = 1925879341906122050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228276 + ... + 232534.

It is an arithmetic number, because the mean of its divisors is an integer number (43707600).

Almost surely, 2^981294895 is an apocalyptic number.

981294895 is a deficient number, since it is larger than the sum of its proper divisors (417348305).

981294895 is a wasteful number, since it uses less digits than its factorization.

981294895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527.

The product of its digits is 1866240, while the sum is 55.

The square root of 981294895 is about 31325.6268093713. The cubic root of 981294895 is about 993.7256802455.

The spelling of 981294895 in words is "nine hundred eighty-one million, two hundred ninety-four thousand, eight hundred ninety-five".