100469 has 2 divisors, whose sum is σ = 100470. Its totient is φ = 100468.

The previous prime is 100459. The next prime is 100483. The reversal of 100469 is 964001.

100469 = 182² + 183² + 184².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97969 + 2500 = 313^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 100469 - 2⁸ = 100213 is a prime.

It is a super-2 number, since 2×100469² = 20188039922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50234 + 50235.

It is an arithmetic number, because the mean of its divisors is an integer number (50235).

2¹⁰⁰⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

100469 is a deficient number, since it is larger than the sum of its proper divisors (1).

100469 is an equidigital number, since it uses as much as digits as its factorization.

100469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 100469 is about 316.9684526889. The cubic root of 100469 is about 46.4883386953.

Adding to 100469 its sum of digits (20), we get a square (100489 = 317²).

The spelling of 100469 in words is "one hundred thousand, four hundred sixty-nine".