100561446 has 16 divisors (see below), whose sum is σ = 223470000. Its totient is φ = 33520464.

The previous prime is 100561421. The next prime is 100561459. The reversal of 100561446 is 644165001.

100561446 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 614 + 46 = 666.

It is a super-2 number, since 2×100561446² = 20225208843221832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931071 + ... + 931178.

It is an arithmetic number, because the mean of its divisors is an integer number (13966875).

Almost surely, 2^100561446 is an apocalyptic number.

100561446 is an abundant number, since it is smaller than the sum of its proper divisors (122908554).

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

100561446 is a wasteful number, since it uses less digits than its factorization.

100561446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862260 (or 1862254 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 100561446 is about 10028.0330075245. The cubic root of 100561446 is about 465.0259298756.

The spelling of 100561446 in words is "one hundred million, five hundred sixty-one thousand, four hundred forty-six".