3892748666 has 32 divisors (see below), whose sum is σ = 6240519936. Its totient is φ = 1817200000.

The previous prime is 3892748663. The next prime is 3892748681. The reversal of 3892748666 is 6668472983.

It is not an unprimeable number, because it can be changed into a prime (3892748663) 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, 323966 + ... + 335766.

It is an arithmetic number, because the mean of its divisors is an integer number (195016248).

Almost surely, 2^3892748666 is an apocalyptic number.

3892748666 is a deficient number, since it is larger than the sum of its proper divisors (2347771270).

3892748666 is a wasteful number, since it uses less digits than its factorization.

3892748666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11998.

The product of its digits is 20901888, while the sum is 59.

The square root of 3892748666 is about 62391.8958359177. The cubic root of 3892748666 is about 1573.0847522841.

The spelling of 3892748666 in words is "three billion, eight hundred ninety-two million, seven hundred forty-eight thousand, six hundred sixty-six".