8440977 has 16 divisors (see below), whose sum is σ = 11916288. Its totient is φ = 5303760.

The previous prime is 8440973. The next prime is 8440979. The reversal of 8440977 is 7790448.

It is not a de Polignac number, because 8440977 - 2² = 8440973 is a prime.

8440977 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8440973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4038 + ... + 5760.

It is an arithmetic number, because the mean of its divisors is an integer number (744768).

Almost surely, 2^8440977 is an apocalyptic number.

It is an amenable number.

8440977 is a deficient number, since it is larger than the sum of its proper divisors (3475311).

8440977 is a wasteful number, since it uses less digits than its factorization.

8440977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 8440977 is about 2905.3359530354. The cubic root of 8440977 is about 203.6092819377.

The spelling of 8440977 in words is "eight million, four hundred forty thousand, nine hundred seventy-seven".