38529899 has 4 divisors (see below), whose sum is σ = 40205136. Its totient is φ = 36854664.

The previous prime is 38529847. The next prime is 38529901. The reversal of 38529899 is 99892583.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38529899 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 38529899.

It is not an unprimeable number, because it can be changed into a prime (38529809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837584 + ... + 837629.

It is an arithmetic number, because the mean of its divisors is an integer number (10051284).

Almost surely, 2^38529899 is an apocalyptic number.

38529899 is a deficient number, since it is larger than the sum of its proper divisors (1675237).

38529899 is a wasteful number, since it uses less digits than its factorization.

38529899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675236.

The product of its digits is 1399680, while the sum is 53.

The square root of 38529899 is about 6207.2456854872. The cubic root of 38529899 is about 337.7530583113.

The spelling of 38529899 in words is "thirty-eight million, five hundred twenty-nine thousand, eight hundred ninety-nine".