3977582446 has 32 divisors (see below), whose sum is σ = 6495914880. Its totient is φ = 1819238400.

The previous prime is 3977582443. The next prime is 3977582447. The reversal of 3977582446 is 6442857793.

It is a super-2 number, since 2×3977582446² = 31642324229454685832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977582443) 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, 372510 + ... + 383038.

It is an arithmetic number, because the mean of its divisors is an integer number (202997340).

Almost surely, 2^3977582446 is an apocalyptic number.

3977582446 is a deficient number, since it is larger than the sum of its proper divisors (2518332434).

3977582446 is a wasteful number, since it uses less digits than its factorization.

3977582446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860.

The product of its digits is 10160640, while the sum is 55.

The square root of 3977582446 is about 63068.0778682845. The cubic root of 3977582446 is about 1584.4300240379.

It can be divided in two parts, 39775 and 82446, that added together give a palindrome (122221).

The spelling of 3977582446 in words is "three billion, nine hundred seventy-seven million, five hundred eighty-two thousand, four hundred forty-six".