38621343 has 4 divisors (see below), whose sum is σ = 51495128. Its totient is φ = 25747560.

The previous prime is 38621339. The next prime is 38621369. The reversal of 38621343 is 34312683.

38621343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38621343 - 2² = 38621339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38621343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38631343) 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 3 ways as a sum of consecutive naturals, for example, 6436888 + ... + 6436893.

It is an arithmetic number, because the mean of its divisors is an integer number (12873782).

Almost surely, 2^38621343 is an apocalyptic number.

38621343 is a deficient number, since it is larger than the sum of its proper divisors (12873785).

38621343 is a wasteful number, since it uses less digits than its factorization.

38621343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12873784.

The product of its digits is 10368, while the sum is 30.

The square root of 38621343 is about 6214.6072281360. The cubic root of 38621343 is about 338.0200465451.

The spelling of 38621343 in words is "thirty-eight million, six hundred twenty-one thousand, three hundred forty-three".