971261208 has 48 divisors (see below), whose sum is σ = 2635630920. Its totient is φ = 323122176.

The previous prime is 971261201. The next prime is 971261233. The reversal of 971261208 is 802162179.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971261201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24760 + ... + 50552.

Almost surely, 2^971261208 is an apocalyptic number.

It is an amenable number.

971261208 is an abundant number, since it is smaller than the sum of its proper divisors (1664369712).

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

971261208 is a wasteful number, since it uses less digits than its factorization.

971261208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26328 (or 26321 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 971261208 is about 31165.0639017474. The cubic root of 971261208 is about 990.3271401264.

The spelling of 971261208 in words is "nine hundred seventy-one million, two hundred sixty-one thousand, two hundred eight".