3912090 has 64 divisors (see below), whose sum is σ = 11563776. Its totient is φ = 824832.

The previous prime is 3912061. The next prime is 3912109. The reversal of 3912090 is 902193.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3912090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2014 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (180684).

Almost surely, 2^3912090 is an apocalyptic number.

3912090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3912090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5781888).

3912090 is an abundant number, since it is smaller than the sum of its proper divisors (7651686).

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

3912090 is a wasteful number, since it uses less digits than its factorization.

3912090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 3912090 is about 1977.9004019414. The cubic root of 3912090 is about 157.5685768387.

The spelling of 3912090 in words is "three million, nine hundred twelve thousand, ninety".