3940620 has 24 divisors (see below), whose sum is σ = 11033904. Its totient is φ = 1050816.

The previous prime is 3940609. The next prime is 3940631. The reversal of 3940620 is 260493.

It is an interprime number because it is at equal distance from previous prime (3940609) and next prime (3940631).

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, 32779 + ... + 32898.

It is an arithmetic number, because the mean of its divisors is an integer number (459746).

Almost surely, 2^3940620 is an apocalyptic number.

3940620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3940620 is an abundant number, since it is smaller than the sum of its proper divisors (7093284).

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

3940620 is a wasteful number, since it uses less digits than its factorization.

3940620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65689 (or 65687 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3940620 is about 1985.0994937282. The cubic root of 3940620 is about 157.9506869553.

It can be divided in two parts, 3940 and 620, that added together give a triangular number (4560 = T₉₅).

The spelling of 3940620 in words is "three million, nine hundred forty thousand, six hundred twenty".