4098490 has 64 divisors (see below), whose sum is σ = 8864640. Its totient is φ = 1347840.

The previous prime is 4098481. The next prime is 4098491. The reversal of 4098490 is 948904.

It is not an unprimeable number, because it can be changed into a prime (4098491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77304 + ... + 77356.

It is an arithmetic number, because the mean of its divisors is an integer number (138510).

Almost surely, 2^4098490 is an apocalyptic number.

4098490 is an abundant number, since it is smaller than the sum of its proper divisors (4766150).

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

4098490 is a wasteful number, since it uses less digits than its factorization.

4098490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 4098490 is about 2024.4727708715. The cubic root of 4098490 is about 160.0324153074.

The spelling of 4098490 in words is "four million, ninety-eight thousand, four hundred ninety".