408773982 has 16 divisors (see below), whose sum is σ = 818876160. Its totient is φ = 136036632.

The previous prime is 408773971. The next prime is 408773983. The reversal of 408773982 is 289377804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408773983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51318 + ... + 58745.

It is an arithmetic number, because the mean of its divisors is an integer number (51179760).

Almost surely, 2^408773982 is an apocalyptic number.

408773982 is an abundant number, since it is smaller than the sum of its proper divisors (410102178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408773982 is a wasteful number, since it uses less digits than its factorization.

408773982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110687.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 408773982 is about 20218.1597085393. The cubic root of 408773982 is about 742.1546539882.

It can be divided in two parts, 408 and 773982, that added together give a triangular number (774390 = T₁₂₄₄).

The spelling of 408773982 in words is "four hundred eight million, seven hundred seventy-three thousand, nine hundred eighty-two".