3900546 has 48 divisors (see below), whose sum is σ = 9260160. Its totient is φ = 1179360.

The previous prime is 3900517. The next prime is 3900563. The reversal of 3900546 is 6450093.

It is a happy number.

It is a Curzon 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, 18381 + ... + 18591.

It is an arithmetic number, because the mean of its divisors is an integer number (192920).

Almost surely, 2^3900546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3900546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4630080).

3900546 is an abundant number, since it is smaller than the sum of its proper divisors (5359614).

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

3900546 is a wasteful number, since it uses less digits than its factorization.

3900546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3900546 is about 1974.9799998987. The cubic root of 3900546 is about 157.4134369380.

The spelling of 3900546 in words is "three million, nine hundred thousand, five hundred forty-six".