38633805 has 48 divisors (see below), whose sum is σ = 78124800. Its totient is φ = 17654112.

The previous prime is 38633789. The next prime is 38633807. The reversal of 38633805 is 50833683.

It is not a de Polignac number, because 38633805 - 2⁴ = 38633789 is a prime.

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 38633805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38633807) 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 47 ways as a sum of consecutive naturals, for example, 14184 + ... + 16686.

It is an arithmetic number, because the mean of its divisors is an integer number (1627600).

Almost surely, 2^38633805 is an apocalyptic number.

38633805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38633805 is an abundant number, since it is smaller than the sum of its proper divisors (39490995).

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

38633805 is a wasteful number, since it uses less digits than its factorization.

38633805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 38633805 is about 6215.6097850493. The cubic root of 38633805 is about 338.0563990944.

It can be divided in two parts, 386 and 33805, that added together give a triangular number (34191 = T₂₆₁).

The spelling of 38633805 in words is "thirty-eight million, six hundred thirty-three thousand, eight hundred five".