908898971 has 4 divisors (see below), whose sum is σ = 909046944. Its totient is φ = 908751000.

The previous prime is 908898967. The next prime is 908898973. The reversal of 908898971 is 179898809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179898809 = 1399 ⋅128591.

It is a cyclic number.

It is not a de Polignac number, because 908898971 - 2² = 908898967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 908898971.

It is not an unprimeable number, because it can be changed into a prime (908898973) 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, 64355 + ... + 77196.

It is an arithmetic number, because the mean of its divisors is an integer number (227261736).

Almost surely, 2^908898971 is an apocalyptic number.

908898971 is a deficient number, since it is larger than the sum of its proper divisors (147973).

908898971 is a wasteful number, since it uses less digits than its factorization.

908898971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147972.

The product of its (nonzero) digits is 2612736, while the sum is 59.

The square root of 908898971 is about 30147.9513566013. The cubic root of 908898971 is about 968.6611247998.

The spelling of 908898971 in words is "nine hundred eight million, eight hundred ninety-eight thousand, nine hundred seventy-one".