100964381 has 4 divisors (see below), whose sum is σ = 115387872. Its totient is φ = 86540892.

The previous prime is 100964363. The next prime is 100964389. The reversal of 100964381 is 183469001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183469001 = 97 ⋅1891433.

It is a cyclic number.

It is not a de Polignac number, because 100964381 - 2²² = 96770077 is a prime.

It is a super-2 number, since 2×100964381² = 20387612461426322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100964389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7211735 + ... + 7211748.

It is an arithmetic number, because the mean of its divisors is an integer number (28846968).

Almost surely, 2^100964381 is an apocalyptic number.

It is an amenable number.

100964381 is a deficient number, since it is larger than the sum of its proper divisors (14423491).

100964381 is an equidigital number, since it uses as much as digits as its factorization.

100964381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14423490.

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

The square root of 100964381 is about 10048.1033533697. The cubic root of 100964381 is about 465.6461991219.

The spelling of 100964381 in words is "one hundred million, nine hundred sixty-four thousand, three hundred eighty-one".