38546690 has 32 divisors (see below), whose sum is σ = 85397760. Its totient is φ = 12199104.

The previous prime is 38546663. The next prime is 38546719. The reversal of 38546690 is 9664583.

It is a super-2 number, since 2×38546690² = 2971694619912200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20270 + ... + 22089.

It is an arithmetic number, because the mean of its divisors is an integer number (2668680).

Almost surely, 2^38546690 is an apocalyptic number.

38546690 is an abundant number, since it is smaller than the sum of its proper divisors (46851070).

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

38546690 is a wasteful number, since it uses less digits than its factorization.

38546690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42386.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 38546690 is about 6208.5980704182. The cubic root of 38546690 is about 337.8021144826.

The spelling of 38546690 in words is "thirty-eight million, five hundred forty-six thousand, six hundred ninety".