101838690 has 48 divisors (see below), whose sum is σ = 265457088. Its totient is φ = 27087648.

The previous prime is 101838673. The next prime is 101838701. The reversal of 101838690 is 96838101.

It is a super-2 number, since 2×101838690² = 20742237561832200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40819 + ... + 43241.

It is an arithmetic number, because the mean of its divisors is an integer number (5530356).

Almost surely, 2^101838690 is an apocalyptic number.

101838690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101838690 is an abundant number, since it is smaller than the sum of its proper divisors (163618398).

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

101838690 is a wasteful number, since it uses less digits than its factorization.

101838690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 101838690 is about 10091.5157434352. The cubic root of 101838690 is about 466.9864378645.

The spelling of 101838690 in words is "one hundred one million, eight hundred thirty-eight thousand, six hundred ninety".