4045790 has 32 divisors (see below), whose sum is σ = 8614080. Its totient is φ = 1338624.

The previous prime is 4045787. The next prime is 4045817. The reversal of 4045790 is 975404.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (269190).

Almost surely, 2^4045790 is an apocalyptic number.

4045790 is an abundant number, since it is smaller than the sum of its proper divisors (4568290).

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

4045790 is a wasteful number, since it uses less digits than its factorization.

4045790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4045790 is about 2011.4149248725. The cubic root of 4045790 is about 159.3435342212.

The spelling of 4045790 in words is "four million, forty-five thousand, seven hundred ninety".