38272490 has 8 divisors (see below), whose sum is σ = 68890500. Its totient is φ = 15308992.

The previous prime is 38272469. The next prime is 38272499. The reversal of 38272490 is 9427283.

It can be written as a sum of positive squares in 2 ways, for example, as 36132121 + 2140369 = 6011^2 + 1463^2 .

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

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 38272490.

It is not an unprimeable number, because it can be changed into a prime (38272499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913615 + ... + 1913634.

Almost surely, 2^38272490 is an apocalyptic number.

38272490 is a deficient number, since it is larger than the sum of its proper divisors (30618010).

38272490 is a wasteful number, since it uses less digits than its factorization.

38272490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827256.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 38272490 is about 6186.4763799759. The cubic root of 38272490 is about 336.9992280740. Note that the first 3 decimals are identical.

The spelling of 38272490 in words is "thirty-eight million, two hundred seventy-two thousand, four hundred ninety".