3939849210 has 64 divisors (see below), whose sum is σ = 10648018944. Its totient is φ = 924302400.

The previous prime is 3939849197. The next prime is 3939849233. The reversal of 3939849210 is 129489393.

It is a self number, because there is not a number n which added to its sum of digits gives 3939849210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182334 + ... + 202793.

It is an arithmetic number, because the mean of its divisors is an integer number (166375296).

Almost surely, 2^3939849210 is an apocalyptic number.

3939849210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3939849210 is an abundant number, since it is smaller than the sum of its proper divisors (6708169734).

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

3939849210 is a wasteful number, since it uses less digits than its factorization.

3939849210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385179.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 3939849210 is about 62768.2181521827. The cubic root of 3939849210 is about 1579.4038783583.

The spelling of 3939849210 in words is "three billion, nine hundred thirty-nine million, eight hundred forty-nine thousand, two hundred ten".