100697399 has 4 divisors (see below), whose sum is σ = 109851720. Its totient is φ = 91543080.

The previous prime is 100697347. The next prime is 100697413. The reversal of 100697399 is 993796001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993796001 = 11 ⋅90345091.

It is a cyclic number.

It is not a de Polignac number, because 100697399 - 2¹⁶ = 100631863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100697339) 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, 4577144 + ... + 4577165.

It is an arithmetic number, because the mean of its divisors is an integer number (27462930).

Almost surely, 2^100697399 is an apocalyptic number.

100697399 is a deficient number, since it is larger than the sum of its proper divisors (9154321).

100697399 is an equidigital number, since it uses as much as digits as its factorization.

100697399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154320.

The product of its (nonzero) digits is 91854, while the sum is 44.

The square root of 100697399 is about 10034.8093654040. The cubic root of 100697399 is about 465.2353978295.

The spelling of 100697399 in words is "one hundred million, six hundred ninety-seven thousand, three hundred ninety-nine".