906958081 has 4 divisors (see below), whose sum is σ = 907027632. Its totient is φ = 906888532.

The previous prime is 906958067. The next prime is 906958121. The reversal of 906958081 is 180859609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 906958081 - 2⁵ = 906958049 is a prime.

It is a super-2 number, since 2×906958081² = 1645145921382405122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906956081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8695 + ... + 43468.

It is an arithmetic number, because the mean of its divisors is an integer number (226756908).

Almost surely, 2^906958081 is an apocalyptic number.

It is an amenable number.

906958081 is a deficient number, since it is larger than the sum of its proper divisors (69551).

906958081 is a wasteful number, since it uses less digits than its factorization.

906958081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69550.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 906958081 is about 30115.7447359351. The cubic root of 906958081 is about 967.9711307927.

The spelling of 906958081 in words is "nine hundred six million, nine hundred fifty-eight thousand, eighty-one".