974981 has 8 divisors (see below), whose sum is σ = 1150464. Its totient is φ = 808560.

The previous prime is 974977. The next prime is 974983. The reversal of 974981 is 189479.

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 974981 - 2² = 974977 is a prime.

It is a super-2 number, since 2×974981² = 1901175900722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974983) 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, 2030 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (143808).

2⁹⁷⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

974981 is a deficient number, since it is larger than the sum of its proper divisors (175483).

974981 is a wasteful number, since it uses less digits than its factorization.

974981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531.

The product of its digits is 18144, while the sum is 38.

The square root of 974981 is about 987.4112618357. The cubic root of 974981 is about 99.1589800161.

The spelling of 974981 in words is "nine hundred seventy-four thousand, nine hundred eighty-one".