972881 has 8 divisors (see below), whose sum is σ = 1197504. Its totient is φ = 769680.

The previous prime is 972869. The next prime is 972887. The reversal of 972881 is 188279.

It is a happy number.

972881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 972881 - 2¹⁰ = 971857 is a prime.

It is a super-2 number, since 2×972881² = 1892994880322, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (972887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5255 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (149688).

2⁹⁷²⁸⁸¹ is an apocalyptic number.

972881 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

972881 is a deficient number, since it is larger than the sum of its proper divisors (224623).

972881 is a wasteful number, since it uses less digits than its factorization.

972881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10711.

The product of its digits is 8064, while the sum is 35.

The square root of 972881 is about 986.3473019175. The cubic root of 972881 is about 99.0877363914.

The spelling of 972881 in words is "nine hundred seventy-two thousand, eight hundred eighty-one".