4490138 has 8 divisors (see below), whose sum is σ = 6744288. Its totient is φ = 2242044.

The previous prime is 4490131. The next prime is 4490141. The reversal of 4490138 is 8310944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4490138² = 40322678518088, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4490138.

It is not an unprimeable number, because it can be changed into a prime (4490131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745 + ... + 3467.

It is an arithmetic number, because the mean of its divisors is an integer number (843036).

Almost surely, 2^4490138 is an apocalyptic number.

4490138 is a deficient number, since it is larger than the sum of its proper divisors (2254150).

4490138 is a wasteful number, since it uses less digits than its factorization.

4490138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4490138 is about 2118.9945729048. The cubic root of 4490138 is about 164.9756682823.

The spelling of 4490138 in words is "four million, four hundred ninety thousand, one hundred thirty-eight".