977974 has 8 divisors (see below), whose sum is σ = 1472328. Its totient is φ = 487200.

The previous prime is 977971. The next prime is 978001. The reversal of 977974 is 479779.

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

It is a self number, because there is not a number n which added to its sum of digits gives 977974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (184041).

2⁹⁷⁷⁹⁷⁴ is an apocalyptic number.

977974 is a deficient number, since it is larger than the sum of its proper divisors (494354).

977974 is a wasteful number, since it uses less digits than its factorization.

977974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790.

The product of its digits is 111132, while the sum is 43.

The square root of 977974 is about 988.9256797151. The cubic root of 977974 is about 99.2603425574.

The spelling of 977974 in words is "nine hundred seventy-seven thousand, nine hundred seventy-four".