3940590 has 32 divisors (see below), whose sum is σ = 9870336. Its totient is φ = 1004960.

The previous prime is 3940589. The next prime is 3940597. The reversal of 3940590 is 950493.

3940590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2166 + ... + 3545.

It is an arithmetic number, because the mean of its divisors is an integer number (308448).

Almost surely, 2^3940590 is an apocalyptic number.

3940590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3940590 is an abundant number, since it is smaller than the sum of its proper divisors (5929746).

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

3940590 is a wasteful number, since it uses less digits than its factorization.

3940590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 3940590 is about 1985.0919374175. The cubic root of 3940590 is about 157.9502861273.

The spelling of 3940590 in words is "three million, nine hundred forty thousand, five hundred ninety".