977601 has 8 divisors (see below), whose sum is σ = 1310080. Its totient is φ = 648432.

The previous prime is 977593. The next prime is 977609. The reversal of 977601 is 106779.

It is an interprime number because it is at equal distance from previous prime (977593) and next prime (977609).

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

It is not a de Polignac number, because 977601 - 2³ = 977593 is a prime.

It is a Duffinian number.

It is a Curzon number.

977601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (977609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25 + ... + 1398.

It is an arithmetic number, because the mean of its divisors is an integer number (163760).

2⁹⁷⁷⁶⁰¹ is an apocalyptic number.

It is an amenable number.

977601 is a deficient number, since it is larger than the sum of its proper divisors (332479).

977601 is a wasteful number, since it uses less digits than its factorization.

977601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 977601 is about 988.7370732404. The cubic root of 977601 is about 99.2477216303.

The spelling of 977601 in words is "nine hundred seventy-seven thousand, six hundred one".