100390829 has 16 divisors (see below), whose sum is σ = 126462336. Its totient is φ = 77414400.

The previous prime is 100390819. The next prime is 100390847. The reversal of 100390829 is 928093001.

It is not a de Polignac number, because 100390829 - 2⁸ = 100390573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100390795 and 100390804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100390819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749 + ... + 14189.

It is an arithmetic number, because the mean of its divisors is an integer number (7903896).

Almost surely, 2^100390829 is an apocalyptic number.

It is an amenable number.

100390829 is a deficient number, since it is larger than the sum of its proper divisors (26071507).

100390829 is a wasteful number, since it uses less digits than its factorization.

100390829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13556.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 100390829 is about 10019.5223938070. The cubic root of 100390829 is about 464.7627864745.

The spelling of 100390829 in words is "one hundred million, three hundred ninety thousand, eight hundred twenty-nine".