3944787330 has 32 divisors (see below), whose sum is σ = 10328171328. Its totient is φ = 956312000.

The previous prime is 3944787323. The next prime is 3944787361. The reversal of 3944787330 is 337874493.

It is a happy number.

It is a super-2 number, since 2×3944787330² = 31122694157857057800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3944787330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5976621 + ... + 5977280.

It is an arithmetic number, because the mean of its divisors is an integer number (322755354).

Almost surely, 2^3944787330 is an apocalyptic number.

3944787330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3944787330 is an abundant number, since it is smaller than the sum of its proper divisors (6383383998).

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

3944787330 is a wasteful number, since it uses less digits than its factorization.

3944787330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11953922.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The square root of 3944787330 is about 62807.5419834274. The cubic root of 3944787330 is about 1580.0634661789.

The spelling of 3944787330 in words is "three billion, nine hundred forty-four million, seven hundred eighty-seven thousand, three hundred thirty".