3901900 has 18 divisors (see below), whose sum is σ = 8467340. Its totient is φ = 1560720.

The previous prime is 3901871. The next prime is 3901901. The reversal of 3901900 is 91093.

It is a super-2 number, since 2×3901900² = 30449647220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3901901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19410 + ... + 19609.

Almost surely, 2^3901900 is an apocalyptic number.

It is an amenable number.

3901900 is an abundant number, since it is smaller than the sum of its proper divisors (4565440).

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

3901900 is a wasteful number, since it uses less digits than its factorization.

3901900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39033 (or 39026 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 3901900 is about 1975.3227584372. The cubic root of 3901900 is about 157.4316491862.

Adding to 3901900 its reverse (91093), we get a palindrome (3992993).

The spelling of 3901900 in words is "three million, nine hundred one thousand, nine hundred".