38750290 has 32 divisors (see below), whose sum is σ = 71285760. Its totient is φ = 15163200.

The previous prime is 38750287. The next prime is 38750297. The reversal of 38750290 is 9205783.

It is not an unprimeable number, because it can be changed into a prime (38750297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142855 + ... + 143125.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^38750290 is an apocalyptic number.

38750290 is a deficient number, since it is larger than the sum of its proper divisors (32535470).

38750290 is a wasteful number, since it uses less digits than its factorization.

38750290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 38750290 is about 6224.9730923113. The cubic root of 38750290 is about 338.3958167713.

The spelling of 38750290 in words is "thirty-eight million, seven hundred fifty thousand, two hundred ninety".