977461 has 4 divisors (see below), whose sum is σ = 1009024. Its totient is φ = 945900.

The previous prime is 977447. The next prime is 977507. The reversal of 977461 is 164779.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164779 = 41 ⋅4019.

It is a cyclic number.

It is not a de Polignac number, because 977461 - 2¹⁷ = 846389 is a prime.

It is a Duffinian number.

977461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977411) 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, 15735 + ... + 15796.

It is an arithmetic number, because the mean of its divisors is an integer number (252256).

2⁹⁷⁷⁴⁶¹ is an apocalyptic number.

It is an amenable number.

977461 is a deficient number, since it is larger than the sum of its proper divisors (31563).

977461 is a wasteful number, since it uses less digits than its factorization.

977461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31562.

The product of its digits is 10584, while the sum is 34.

The square root of 977461 is about 988.6662733198. Note that the first 3 decimals coincide. The cubic root of 977461 is about 99.2429837245.

The spelling of 977461 in words is "nine hundred seventy-seven thousand, four hundred sixty-one".