104643490 has 16 divisors (see below), whose sum is σ = 215266752. Its totient is φ = 35877744.

The previous prime is 104643457. The next prime is 104643527. The reversal of 104643490 is 94346401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747384 + ... + 747523.

It is an arithmetic number, because the mean of its divisors is an integer number (13454172).

Almost surely, 2^104643490 is an apocalyptic number.

104643490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104643490 is an abundant number, since it is smaller than the sum of its proper divisors (110623262).

104643490 is a wasteful number, since it uses less digits than its factorization.

104643490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494921.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 104643490 is about 10229.5400678623. The cubic root of 104643490 is about 471.2348544690.

Adding to 104643490 its reverse (94346401), we get a palindrome (198989891).

The spelling of 104643490 in words is "one hundred four million, six hundred forty-three thousand, four hundred ninety".