101986390 has 16 divisors (see below), whose sum is σ = 200264400. Its totient is φ = 37085920.

The previous prime is 101986369. The next prime is 101986427. The reversal of 101986390 is 93689101.

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, 463465 + ... + 463684.

It is an arithmetic number, because the mean of its divisors is an integer number (12516525).

Almost surely, 2^101986390 is an apocalyptic number.

101986390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101986390 is a deficient number, since it is larger than the sum of its proper divisors (98278010).

101986390 is a wasteful number, since it uses less digits than its factorization.

101986390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927167.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 101986390 is about 10098.8311204812. The cubic root of 101986390 is about 467.2120907367.

The spelling of 101986390 in words is "one hundred one million, nine hundred eighty-six thousand, three hundred ninety".