1912604 has 12 divisors (see below), whose sum is σ = 3437784. Its totient is φ = 930384.

The previous prime is 1912601. The next prime is 1912613. The reversal of 1912604 is 4062191.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1912604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912601) 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, 6314 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (286482).

2^1912604 is an apocalyptic number.

It is an amenable number.

1912604 is a deficient number, since it is larger than the sum of its proper divisors (1525180).

1912604 is a wasteful number, since it uses less digits than its factorization.

1912604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964 (or 12962 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1912604 is about 1382.9692693621. The cubic root of 1912604 is about 124.1295039653.

Adding to 1912604 its reverse (4062191), we get a palindrome (5974795).

The spelling of 1912604 in words is "one million, nine hundred twelve thousand, six hundred four".