104724387 has 8 divisors (see below), whose sum is σ = 155147280. Its totient is φ = 69816240.

The previous prime is 104724383. The next prime is 104724391. The reversal of 104724387 is 783427401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (104724383) and next prime (104724391).

It is not a de Polignac number, because 104724387 - 2² = 104724383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104724383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939314 + ... + 1939367.

It is an arithmetic number, because the mean of its divisors is an integer number (19393410).

Almost surely, 2^104724387 is an apocalyptic number.

104724387 is a deficient number, since it is larger than the sum of its proper divisors (50422893).

104724387 is an equidigital number, since it uses as much as digits as its factorization.

104724387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878690 (or 3878684 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 104724387 is about 10233.4933917993. The cubic root of 104724387 is about 471.3562560859.

It can be divided in two parts, 104724 and 387, that added together give a triangular number (105111 = T₄₅₈).

The spelling of 104724387 in words is "one hundred four million, seven hundred twenty-four thousand, three hundred eighty-seven".