101943690 has 16 divisors (see below), whose sum is σ = 244664928. Its totient is φ = 27184976.

The previous prime is 101943661. The next prime is 101943707. The reversal of 101943690 is 96349101.

It is a super-2 number, since 2×101943690² = 20785031861632200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699032 + ... + 1699091.

It is an arithmetic number, because the mean of its divisors is an integer number (15291558).

Almost surely, 2^101943690 is an apocalyptic number.

101943690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101943690 is an abundant number, since it is smaller than the sum of its proper divisors (142721238).

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

101943690 is a wasteful number, since it uses less digits than its factorization.

101943690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398133.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 101943690 is about 10096.7167930967. The cubic root of 101943690 is about 467.1468769986.

The spelling of 101943690 in words is "one hundred one million, nine hundred forty-three thousand, six hundred ninety".