104620649 has 4 divisors (see below), whose sum is σ = 119566464. Its totient is φ = 89674836.

The previous prime is 104620619. The next prime is 104620651. The reversal of 104620649 is 946026401.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104620649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104620619) 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 in 3 ways as a sum of consecutive naturals, for example, 7472897 + ... + 7472910.

It is an arithmetic number, because the mean of its divisors is an integer number (29891616).

Almost surely, 2^104620649 is an apocalyptic number.

It is an amenable number.

104620649 is a deficient number, since it is larger than the sum of its proper divisors (14945815).

104620649 is an equidigital number, since it uses as much as digits as its factorization.

104620649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14945814.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 104620649 is about 10228.4235833290. The cubic root of 104620649 is about 471.2005657982.

The spelling of 104620649 in words is "one hundred four million, six hundred twenty thousand, six hundred forty-nine".