4090740 has 48 divisors (see below), whose sum is σ = 11854080. Its totient is φ = 1052800.

The previous prime is 4090733. The next prime is 4090747. The reversal of 4090740 is 470904.

It is an interprime number because it is at equal distance from previous prime (4090733) and next prime (4090747).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4090740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565 + ... + 2915.

It is an arithmetic number, because the mean of its divisors is an integer number (246960).

Almost surely, 2^4090740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4090740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5927040).

4090740 is an abundant number, since it is smaller than the sum of its proper divisors (7763340).

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

4090740 is a wasteful number, since it uses less digits than its factorization.

4090740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 4090740 is about 2022.5577865663. The cubic root of 4090740 is about 159.9314810781.

The spelling of 4090740 in words is "four million, ninety thousand, seven hundred forty".