977894 has 4 divisors (see below), whose sum is σ = 1466844. Its totient is φ = 488946.

The previous prime is 977881. The next prime is 977897. The reversal of 977894 is 498779.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244472 + ... + 244475.

It is an arithmetic number, because the mean of its divisors is an integer number (366711).

2⁹⁷⁷⁸⁹⁴ is an apocalyptic number.

977894 is a deficient number, since it is larger than the sum of its proper divisors (488950).

977894 is a wasteful number, since it uses less digits than its factorization.

977894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488949.

The product of its digits is 127008, while the sum is 44.

The square root of 977894 is about 988.8852309545. The cubic root of 977894 is about 99.2576359265.

The spelling of 977894 in words is "nine hundred seventy-seven thousand, eight hundred ninety-four".