3749390208 has 160 divisors (see below), whose sum is σ = 11295151560. Its totient is φ = 1234455552.

The previous prime is 3749390147. The next prime is 3749390231. The reversal of 3749390208 is 8020939473.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 858366 + ... + 862722.

Almost surely, 2^3749390208 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 3749390208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5647575780).

3749390208 is an abundant number, since it is smaller than the sum of its proper divisors (7545761352).

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

3749390208 is an equidigital number, since it uses as much as digits as its factorization.

3749390208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466 (or 4445 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 3749390208 is about 61232.2644363247. The cubic root of 3749390208 is about 1553.5320366108.

The spelling of 3749390208 in words is "three billion, seven hundred forty-nine million, three hundred ninety thousand, two hundred eight".