104240390 has 8 divisors (see below), whose sum is σ = 187632720. Its totient is φ = 41696152.

The previous prime is 104240387. The next prime is 104240401. The reversal of 104240390 is 93042401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5212010 + ... + 5212029.

It is an arithmetic number, because the mean of its divisors is an integer number (23454090).

Almost surely, 2^104240390 is an apocalyptic number.

104240390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104240390 is a deficient number, since it is larger than the sum of its proper divisors (83392330).

104240390 is a wasteful number, since it uses less digits than its factorization.

104240390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424046.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 104240390 is about 10209.8183137605. The cubic root of 104240390 is about 470.6289903643.

Adding to 104240390 its reverse (93042401), we get a palindrome (197282791).

The spelling of 104240390 in words is "one hundred four million, two hundred forty thousand, three hundred ninety".