971446905 has 64 divisors (see below), whose sum is σ = 2028983040. Its totient is φ = 434764800.

The previous prime is 971446897. The next prime is 971446909. The reversal of 971446905 is 509644179.

It is not a de Polignac number, because 971446905 - 2³ = 971446897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (971446909) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5856 + ... + 44465.

It is an arithmetic number, because the mean of its divisors is an integer number (31702860).

Almost surely, 2^971446905 is an apocalyptic number.

It is an amenable number.

971446905 is an abundant number, since it is smaller than the sum of its proper divisors (1057536135).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971446905 is a wasteful number, since it uses less digits than its factorization.

971446905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50359 (or 50353 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 971446905 is about 31168.0430088256. The cubic root of 971446905 is about 990.3902501866.

The spelling of 971446905 in words is "nine hundred seventy-one million, four hundred forty-six thousand, nine hundred five".