4128090 has 32 divisors (see below), whose sum is σ = 10177920. Its totient is φ = 1070784.

The previous prime is 4128079. The next prime is 4128097. The reversal of 4128090 is 908214.

It is a super-2 number, since 2×4128090² = 34082254096200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4128090.

It is not an unprimeable number, because it can be changed into a prime (4128097) 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, 750 + ... + 2969.

It is an arithmetic number, because the mean of its divisors is an integer number (318060).

Almost surely, 2^4128090 is an apocalyptic number.

4128090 is an abundant number, since it is smaller than the sum of its proper divisors (6049830).

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

4128090 is a wasteful number, since it uses less digits than its factorization.

4128090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 4128090 is about 2031.7701641672. The cubic root of 4128090 is about 160.4167520848.

The spelling of 4128090 in words is "four million, one hundred twenty-eight thousand, ninety".