3992490139 has 8 divisors (see below), whose sum is σ = 4355917632. Its totient is φ = 3629141640.

The previous prime is 3992490113. The next prime is 3992490157. The reversal of 3992490139 is 9310942993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3992490139 - 2⁷ = 3992490011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3992490092 and 3992490101.

It is not an unprimeable number, because it can be changed into a prime (3992493139) 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, 147732 + ... + 172654.

It is an arithmetic number, because the mean of its divisors is an integer number (544489704).

Almost surely, 2^3992490139 is an apocalyptic number.

3992490139 is a deficient number, since it is larger than the sum of its proper divisors (363427493).

3992490139 is a wasteful number, since it uses less digits than its factorization.

3992490139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39497.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 3992490139 is about 63186.1546464097. The cubic root of 3992490139 is about 1586.4069995045.

The spelling of 3992490139 in words is "three billion, nine hundred ninety-two million, four hundred ninety thousand, one hundred thirty-nine".