101940386 has 4 divisors (see below), whose sum is σ = 152910582. Its totient is φ = 50970192.

The previous prime is 101940383. The next prime is 101940403. The reversal of 101940386 is 683049101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100902025 + 1038361 = 10045^2 + 1019^2 .

It is not an unprimeable number, because it can be changed into a prime (101940383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25485095 + ... + 25485098.

Almost surely, 2^101940386 is an apocalyptic number.

101940386 is a deficient number, since it is larger than the sum of its proper divisors (50970196).

101940386 is an equidigital number, since it uses as much as digits as its factorization.

101940386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50970195.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 101940386 is about 10096.5531742273. The cubic root of 101940386 is about 467.1418301930.

Adding to 101940386 its reverse (683049101), we get a palindrome (784989487).

The spelling of 101940386 in words is "one hundred one million, nine hundred forty thousand, three hundred eighty-six".