3939024990 has 32 divisors (see below), whose sum is σ = 9458546976. Its totient is φ = 1049863680.

The previous prime is 3939024977. The next prime is 3939024997. The reversal of 3939024990 is 994209393.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3939024997) 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, 26850 + ... + 92730.

It is an arithmetic number, because the mean of its divisors is an integer number (295579593).

Almost surely, 2^3939024990 is an apocalyptic number.

3939024990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3939024990 is an abundant number, since it is smaller than the sum of its proper divisors (5519521986).

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

3939024990 is a wasteful number, since it uses less digits than its factorization.

3939024990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67884.

The product of its (nonzero) digits is 472392, while the sum is 48.

The square root of 3939024990 is about 62761.6522249056. The cubic root of 3939024990 is about 1579.2937331062.

The spelling of 3939024990 in words is "three billion, nine hundred thirty-nine million, twenty-four thousand, nine hundred ninety".