104923649 has 2 divisors, whose sum is σ = 104923650. Its totient is φ = 104923648.

The previous prime is 104923619. The next prime is 104923657. The reversal of 104923649 is 946329401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104857600 + 66049 = 10240^2 + 257^2 .

It is an emirp because it is prime and its reverse (946329401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104923649 - 2⁸ = 104923393 is a prime.

It is a super-2 number, since 2×104923649² = 22017944238950402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104923619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52461824 + 52461825.

It is an arithmetic number, because the mean of its divisors is an integer number (52461825).

Almost surely, 2^104923649 is an apocalyptic number.

It is an amenable number.

104923649 is a deficient number, since it is larger than the sum of its proper divisors (1).

104923649 is an equidigital number, since it uses as much as digits as its factorization.

104923649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 104923649 is about 10243.2245411296. The cubic root of 104923649 is about 471.6550208903.

It can be divided in two parts, 10492 and 3649, that added together give a palindrome (14141).

The spelling of 104923649 in words is "one hundred four million, nine hundred twenty-three thousand, six hundred forty-nine".