3900630 has 16 divisors (see below), whose sum is σ = 9361584. Its totient is φ = 1040160.

The previous prime is 3900623. The next prime is 3900649. The reversal of 3900630 is 360093.

3900630 = 986² + 987² + ... + 989².

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 3900597 and 3900606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64981 + ... + 65040.

It is an arithmetic number, because the mean of its divisors is an integer number (585099).

Almost surely, 2^3900630 is an apocalyptic number.

3900630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3900630 is an abundant number, since it is smaller than the sum of its proper divisors (5460954).

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

3900630 is a wasteful number, since it uses less digits than its factorization.

3900630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130031.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 3900630 is about 1975.0012658224. The cubic root of 3900630 is about 157.4145669194.

The spelling of 3900630 in words is "three million, nine hundred thousand, six hundred thirty".