3963900 has 72 divisors (see below), whose sum is σ = 11690224. Its totient is φ = 1036800.

The previous prime is 3963899. The next prime is 3963931. The reversal of 3963900 is 93693.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21810 + ... + 21990.

Almost surely, 2^3963900 is an apocalyptic number.

3963900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3963900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5845112).

3963900 is an abundant number, since it is smaller than the sum of its proper divisors (7726324).

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

3963900 is a wasteful number, since it uses less digits than its factorization.

3963900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 3963900 is about 1990.9545449357. The cubic root of 3963900 is about 158.2611181914.

The spelling of 3963900 in words is "three million, nine hundred sixty-three thousand, nine hundred".