3982821544 has 32 divisors (see below), whose sum is σ = 8091609120. Its totient is φ = 1826940096.

The previous prime is 3982821541. The next prime is 3982821547. The reversal of 3982821544 is 4451282893.

It is an interprime number because it is at equal distance from previous prime (3982821541) and next prime (3982821547).

It is a junction number, because it is equal to n+sod(n) for n = 3982821494 and 3982821503.

It is not an unprimeable number, because it can be changed into a prime (3982821541) 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, 100522 + ... + 134425.

It is an arithmetic number, because the mean of its divisors is an integer number (252862785).

Almost surely, 2^3982821544 is an apocalyptic number.

It is an amenable number.

3982821544 is an abundant number, since it is smaller than the sum of its proper divisors (4108787576).

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

3982821544 is a wasteful number, since it uses less digits than its factorization.

3982821544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235129 (or 235125 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 3982821544 is about 63109.5994599871. The cubic root of 3982821544 is about 1585.1253661947.

The spelling of 3982821544 in words is "three billion, nine hundred eighty-two million, eight hundred twenty-one thousand, five hundred forty-four".