3929672490 has 32 divisors (see below), whose sum is σ = 9560414016. Its totient is φ = 1033557120.

The previous prime is 3929672479. The next prime is 3929672497. The reversal of 3929672490 is 942769293.

It is not an unprimeable number, because it can be changed into a prime (3929672497) 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, 894996 + ... + 899375.

It is an arithmetic number, because the mean of its divisors is an integer number (298762938).

Almost surely, 2^3929672490 is an apocalyptic number.

3929672490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3929672490 is an abundant number, since it is smaller than the sum of its proper divisors (5630741526).

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

3929672490 is a wasteful number, since it uses less digits than its factorization.

3929672490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794454.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 3929672490 is about 62687.0998691118. The cubic root of 3929672490 is about 1578.0428271117.

The spelling of 3929672490 in words is "three billion, nine hundred twenty-nine million, six hundred seventy-two thousand, four hundred ninety".