4030940 has 12 divisors (see below), whose sum is σ = 8465016. Its totient is φ = 1612368.

The previous prime is 4030937. The next prime is 4030963. The reversal of 4030940 is 490304.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 201547 = 4030940 / (4 + 0 + 3 + 0 + 9 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100754 + ... + 100793.

It is an arithmetic number, because the mean of its divisors is an integer number (705418).

Almost surely, 2^4030940 is an apocalyptic number.

It is an amenable number.

4030940 is an abundant number, since it is smaller than the sum of its proper divisors (4434076).

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

4030940 is a wasteful number, since it uses less digits than its factorization.

4030940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201556 (or 201554 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4030940 is about 2007.7201000139. The cubic root of 4030940 is about 159.1483393400.

The spelling of 4030940 in words is "four million, thirty thousand, nine hundred forty".