4390486 has 4 divisors (see below), whose sum is σ = 6585732. Its totient is φ = 2195242.

The previous prime is 4390483. The next prime is 4390489. The reversal of 4390486 is 6840934.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4390483) and next prime (4390489).

It is a super-3 number, since 3×4390486³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4390481) 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 as a sum of consecutive naturals, namely, 1097620 + ... + 1097623.

It is an arithmetic number, because the mean of its divisors is an integer number (1646433).

Almost surely, 2^4390486 is an apocalyptic number.

4390486 is a deficient number, since it is larger than the sum of its proper divisors (2195246).

4390486 is a wasteful number, since it uses less digits than its factorization.

4390486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195245.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4390486 is about 2095.3486583383. The cubic root of 4390486 is about 163.7460624891.

The spelling of 4390486 in words is "four million, three hundred ninety thousand, four hundred eighty-six".