104329661 has 4 divisors (see below), whose sum is σ = 104368572. Its totient is φ = 104290752.

The previous prime is 104329657. The next prime is 104329681. The reversal of 104329661 is 166923401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166923401 = 389 ⋅429109.

It can be written as a sum of positive squares in 2 ways, for example, as 26977636 + 77352025 = 5194^2 + 8795^2 .

It is a cyclic number.

It is not a de Polignac number, because 104329661 - 2² = 104329657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104329681) 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, 15110 + ... + 20903.

It is an arithmetic number, because the mean of its divisors is an integer number (26092143).

Almost surely, 2^104329661 is an apocalyptic number.

It is an amenable number.

104329661 is a deficient number, since it is larger than the sum of its proper divisors (38911).

104329661 is an equidigital number, since it uses as much as digits as its factorization.

104329661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38910.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 104329661 is about 10214.1891993442. The cubic root of 104329661 is about 470.7633002126.

The spelling of 104329661 in words is "one hundred four million, three hundred twenty-nine thousand, six hundred sixty-one".