408977 has 4 divisors (see below), whose sum is σ = 410916. Its totient is φ = 407040.

The previous prime is 408971. The next prime is 408979. The reversal of 408977 is 779804.

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

It can be written as a sum of positive squares in 2 ways, for example, as 358801 + 50176 = 599^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 408977 - 2⁶ = 408913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408971) 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, 608 + ... + 1089.

It is an arithmetic number, because the mean of its divisors is an integer number (102729).

2⁴⁰⁸⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

408977 is a deficient number, since it is larger than the sum of its proper divisors (1939).

408977 is a wasteful number, since it uses less digits than its factorization.

408977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 408977 is about 639.5130960348. The cubic root of 408977 is about 74.2277497600.

It can be divided in two parts, 40897 and 7, that added together give a palindrome (40904).

The spelling of 408977 in words is "four hundred eight thousand, nine hundred seventy-seven".