3722990908 has 54 divisors (see below), whose sum is σ = 8071908936. Its totient is φ = 1471171104.

The previous prime is 3722990879. The next prime is 3722990927. The reversal of 3722990908 is 8090992273.

It is a super-2 number, since 2×3722990908² = 27721322602101328928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4196841 + ... + 4197727.

Almost surely, 2^3722990908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3722990908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4035954468).

3722990908 is an abundant number, since it is smaller than the sum of its proper divisors (4348918028).

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

3722990908 is an equidigital number, since it uses as much as digits as its factorization.

3722990908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 3722990908 is about 61016.3167357716. The cubic root of 3722990908 is about 1549.8773275097.

The spelling of 3722990908 in words is "three billion, seven hundred twenty-two million, nine hundred ninety thousand, nine hundred eight".