4082390 has 32 divisors (see below), whose sum is σ = 8176896. Its totient is φ = 1457280.

The previous prime is 4082389. The next prime is 4082401. The reversal of 4082390 is 932804.

4082390 = 79² + 80² + ... + 233².

It is a super-2 number, since 2×4082390² = 33331816224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3524 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (255528).

Almost surely, 2^4082390 is an apocalyptic number.

4082390 is an abundant number, since it is smaller than the sum of its proper divisors (4094506).

4082390 is a wasteful number, since it uses less digits than its factorization.

4082390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4082390 is about 2020.4925142153. The cubic root of 4082390 is about 159.8225898162.

The spelling of 4082390 in words is "four million, eighty-two thousand, three hundred ninety".