38535690 has 16 divisors (see below), whose sum is σ = 92485728. Its totient is φ = 10276176.

The previous prime is 38535683. The next prime is 38535691. The reversal of 38535690 is 9653583.

It is a super-2 number, since 2×38535690² = 2969998807552200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38535691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642232 + ... + 642291.

It is an arithmetic number, because the mean of its divisors is an integer number (5780358).

Almost surely, 2^38535690 is an apocalyptic number.

38535690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38535690 is an abundant number, since it is smaller than the sum of its proper divisors (53950038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38535690 is a wasteful number, since it uses less digits than its factorization.

38535690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284533.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 38535690 is about 6207.7121389446. The cubic root of 38535690 is about 337.7699787638.

The spelling of 38535690 in words is "thirty-eight million, five hundred thirty-five thousand, six hundred ninety".