3990700 has 36 divisors (see below), whose sum is σ = 9898672. Its totient is φ = 1368000.

The previous prime is 3990689. The next prime is 3990731. The reversal of 3990700 is 70993.

3990700 = T₁₂₀ + T₁₂₁ + ... + T₂₉₄.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2151 + ... + 3550.

Almost surely, 2^3990700 is an apocalyptic number.

It is an amenable number.

3990700 is an abundant number, since it is smaller than the sum of its proper divisors (5907972).

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

3990700 is a wasteful number, since it uses less digits than its factorization.

3990700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722 (or 5715 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 3990700 is about 1997.6736470205. The cubic root of 3990700 is about 158.6169861487.

The spelling of 3990700 in words is "three million, nine hundred ninety thousand, seven hundred".