3992820770 has 32 divisors (see below), whose sum is σ = 7855335936. Its totient is φ = 1454688000.

The previous prime is 3992820737. The next prime is 3992820781. The reversal of 3992820770 is 770282993.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373556 + ... + 384095.

It is an arithmetic number, because the mean of its divisors is an integer number (245479248).

Almost surely, 2^3992820770 is an apocalyptic number.

3992820770 is a deficient number, since it is larger than the sum of its proper divisors (3862515166).

3992820770 is a wasteful number, since it uses less digits than its factorization.

3992820770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757706.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 3992820770 is about 63188.7709169913. The cubic root of 3992820770 is about 1586.4507901244.

The spelling of 3992820770 in words is "three billion, nine hundred ninety-two million, eight hundred twenty thousand, seven hundred seventy".