38833820 has 48 divisors (see below), whose sum is σ = 83848800. Its totient is φ = 15102720.

The previous prime is 38833819. The next prime is 38833843. The reversal of 38833820 is 2833883.

38833820 = T₁₆₁ + T₁₆₂ + ... + T₆₁₈.

It is a congruent number.

It is an unprimeable number.

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, 169466 + ... + 169694.

It is an arithmetic number, because the mean of its divisors is an integer number (1746850).

Almost surely, 2^38833820 is an apocalyptic number.

It is an amenable number.

38833820 is an abundant number, since it is smaller than the sum of its proper divisors (45014980).

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

38833820 is a wasteful number, since it uses less digits than its factorization.

38833820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 38833820 is about 6231.6787465337. The cubic root of 38833820 is about 338.6387905804.

The spelling of 38833820 in words is "thirty-eight million, eight hundred thirty-three thousand, eight hundred twenty".