3949403340 has 24 divisors (see below), whose sum is σ = 11058329520. Its totient is φ = 1053174208.

The previous prime is 3949403323. The next prime is 3949403363. The reversal of 3949403340 is 433049493.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32911635 + ... + 32911754.

It is an arithmetic number, because the mean of its divisors is an integer number (460763730).

Almost surely, 2^3949403340 is an apocalyptic number.

3949403340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3949403340 is an abundant number, since it is smaller than the sum of its proper divisors (7108926180).

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

3949403340 is a wasteful number, since it uses less digits than its factorization.

3949403340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65823401 (or 65823399 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 3949403340 is about 62844.2784985236. The cubic root of 3949403340 is about 1580.6795319829.

The spelling of 3949403340 in words is "three billion, nine hundred forty-nine million, four hundred three thousand, three hundred forty".