106990644 has 24 divisors (see below), whose sum is σ = 249969888. Its totient is φ = 35617120.

The previous prime is 106990601. The next prime is 106990649. The reversal of 106990644 is 446099601.

It is a super-2 number, since 2×106990644² = 22893995807069472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106990649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4534 + ... + 15314.

It is an arithmetic number, because the mean of its divisors is an integer number (10415412).

Almost surely, 2^106990644 is an apocalyptic number.

It is an amenable number.

106990644 is an abundant number, since it is smaller than the sum of its proper divisors (142979244).

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

106990644 is a wasteful number, since it uses less digits than its factorization.

106990644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615 (or 11613 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 106990644 is about 10343.6281835727. The cubic root of 106990644 is about 474.7321023057.

The spelling of 106990644 in words is "one hundred six million, nine hundred ninety thousand, six hundred forty-four".