971900 has 18 divisors (see below), whose sum is σ = 2109240. Its totient is φ = 388720.

The previous prime is 971899. The next prime is 971903. The reversal of 971900 is 9179.

It is a super-2 number, since 2×971900² = 1889179220000, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 971900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4760 + ... + 4959.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2⁹⁷¹⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

971900 is an abundant number, since it is smaller than the sum of its proper divisors (1137340).

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

971900 is a wasteful number, since it uses less digits than its factorization.

971900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9733 (or 9726 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 971900 is about 985.8498871532. The cubic root of 971900 is about 99.0544203058.

The spelling of 971900 in words is "nine hundred seventy-one thousand, nine hundred".