977402 has 4 divisors (see below), whose sum is σ = 1466106. Its totient is φ = 488700.

The previous prime is 977369. The next prime is 977407. The reversal of 977402 is 204779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204779 = 47 ⋅4357.

It can be written as a sum of positive squares in only one way, i.e., 502681 + 474721 = 709^2 + 689^2 .

It is not an unprimeable number, because it can be changed into a prime (977407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244349 + ... + 244352.

2⁹⁷⁷⁴⁰² is an apocalyptic number.

977402 is a deficient number, since it is larger than the sum of its proper divisors (488704).

977402 is a wasteful number, since it uses less digits than its factorization.

977402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488703.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 977402 is about 988.6364346917. The cubic root of 977402 is about 99.2409869001.

The spelling of 977402 in words is "nine hundred seventy-seven thousand, four hundred two".