38262890 has 16 divisors (see below), whose sum is σ = 71248680. Its totient is φ = 14777280.

The previous prime is 38262863. The next prime is 38262899. The reversal of 38262890 is 9826283.

It is a happy number.

38262890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27952369 + 10310521 = 5287^2 + 3211^2 .

It is not an unprimeable number, because it can be changed into a prime (38262899) 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 in 7 ways as a sum of consecutive naturals, for example, 65681 + ... + 66260.

Almost surely, 2^38262890 is an apocalyptic number.

38262890 is a deficient number, since it is larger than the sum of its proper divisors (32985790).

38262890 is a wasteful number, since it uses less digits than its factorization.

38262890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131977.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 38262890 is about 6185.7004453821. The cubic root of 38262890 is about 336.9710488855.

The spelling of 38262890 in words is "thirty-eight million, two hundred sixty-two thousand, eight hundred ninety".