3940340 has 24 divisors (see below), whose sum is σ = 8316672. Its totient is φ = 1568160.

The previous prime is 3940319. The next prime is 3940351. The reversal of 3940340 is 430493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5057 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (346528).

Almost surely, 2^3940340 is an apocalyptic number.

It is an amenable number.

3940340 is an abundant number, since it is smaller than the sum of its proper divisors (4376332).

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

3940340 is a wasteful number, since it uses less digits than its factorization.

3940340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3940340 is about 1985.0289670431. The cubic root of 3940340 is about 157.9469458148.

The spelling of 3940340 in words is "three million, nine hundred forty thousand, three hundred forty".