3722008 has 16 divisors (see below), whose sum is σ = 7048080. Its totient is φ = 1842528.

The previous prime is 3721981. The next prime is 3722009. The reversal of 3722008 is 8002273.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3722008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435 + ... + 3082.

It is an arithmetic number, because the mean of its divisors is an integer number (440505).

Almost surely, 2^3722008 is an apocalyptic number.

It is an amenable number.

3722008 is a deficient number, since it is larger than the sum of its proper divisors (3326072).

3722008 is a wasteful number, since it uses less digits than its factorization.

3722008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4622 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 3722008 is about 1929.2506317221. The cubic root of 3722008 is about 154.9740920971.

The spelling of 3722008 in words is "three million, seven hundred twenty-two thousand, eight".