100490830 has 32 divisors (see below), whose sum is σ = 198402048. Its totient is φ = 36343200.

The previous prime is 100490827. The next prime is 100490881. The reversal of 100490830 is 38094001.

It is a junction number, because it is equal to n+sod(n) for n = 100490795 and 100490804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18619 + ... + 23401.

It is an arithmetic number, because the mean of its divisors is an integer number (6200064).

Almost surely, 2^100490830 is an apocalyptic number.

100490830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100490830 is a deficient number, since it is larger than the sum of its proper divisors (97911218).

100490830 is a wasteful number, since it uses less digits than its factorization.

100490830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 100490830 is about 10024.5114594179. The cubic root of 100490830 is about 464.9170546160.

The spelling of 100490830 in words is "one hundred million, four hundred ninety thousand, eight hundred thirty".