4038490 has 8 divisors (see below), whose sum is σ = 7269300. Its totient is φ = 1615392.

The previous prime is 4038487. The next prime is 4038493. The reversal of 4038490 is 948304.

It is an interprime number because it is at equal distance from previous prime (4038487) and next prime (4038493).

It can be written as a sum of positive squares in 2 ways, for example, as 3956121 + 82369 = 1989^2 + 287^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4038493) 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, 201915 + ... + 201934.

Almost surely, 2^4038490 is an apocalyptic number.

4038490 is a deficient number, since it is larger than the sum of its proper divisors (3230810).

4038490 is a wasteful number, since it uses less digits than its factorization.

4038490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403856.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4038490 is about 2009.5994625795. The cubic root of 4038490 is about 159.2476396319.

The spelling of 4038490 in words is "four million, thirty-eight thousand, four hundred ninety".