100990356 has 12 divisors (see below), whose sum is σ = 235644192. Its totient is φ = 33663448.

The previous prime is 100990321. The next prime is 100990369. The reversal of 100990356 is 653099001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 4207920 + ... + 4207943.

It is an arithmetic number, because the mean of its divisors is an integer number (19637016).

Almost surely, 2^100990356 is an apocalyptic number.

It is an amenable number.

100990356 is an abundant number, since it is smaller than the sum of its proper divisors (134653836).

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

100990356 is a wasteful number, since it uses less digits than its factorization.

100990356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8415870 (or 8415868 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 100990356 is about 10049.3958027336. The cubic root of 100990356 is about 465.6861278004.

The spelling of 100990356 in words is "one hundred million, nine hundred ninety thousand, three hundred fifty-six".