38999862 has 48 divisors (see below), whose sum is σ = 93721680. Its totient is φ = 11620800.

The previous prime is 38999861. The next prime is 38999903. The reversal of 38999862 is 26899983.

38999862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38999799 and 38999808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38999861) 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 23 ways as a sum of consecutive naturals, for example, 10464 + ... + 13692.

It is an arithmetic number, because the mean of its divisors is an integer number (1952535).

Almost surely, 2^38999862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38999862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46860840).

38999862 is an abundant number, since it is smaller than the sum of its proper divisors (54721818).

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

38999862 is a wasteful number, since it uses less digits than its factorization.

38999862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309 (or 3306 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 38999862 is about 6244.9869495460. The cubic root of 38999862 is about 339.1207443119.

The spelling of 38999862 in words is "thirty-eight million, nine hundred ninety-nine thousand, eight hundred sixty-two".