104731394 has 4 divisors (see below), whose sum is σ = 157097094. Its totient is φ = 52365696.

The previous prime is 104731391. The next prime is 104731409. The reversal of 104731394 is 493137401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 20367169 = 9185^2 + 4513^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104731394.

It is not an unprimeable number, because it can be changed into a prime (104731391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26182847 + ... + 26182850.

Almost surely, 2^104731394 is an apocalyptic number.

104731394 is a deficient number, since it is larger than the sum of its proper divisors (52365700).

104731394 is an equidigital number, since it uses as much as digits as its factorization.

104731394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52365699.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 104731394 is about 10233.8357422816. The cubic root of 104731394 is about 471.3667685041.

Adding to 104731394 its reverse (493137401), we get a palindrome (597868795).

The spelling of 104731394 in words is "one hundred four million, seven hundred thirty-one thousand, three hundred ninety-four".