1634434 has 8 divisors (see below), whose sum is σ = 2492028. Its totient is φ = 803760.

The previous prime is 1634417. The next prime is 1634441. The reversal of 1634434 is 4344361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1108809 + 525625 = 1053^2 + 725^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1634399 and 1634408.

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, 6577 + ... + 6820.

2^1634434 is an apocalyptic number.

1634434 is a deficient number, since it is larger than the sum of its proper divisors (857594).

1634434 is a wasteful number, since it uses less digits than its factorization.

1634434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13460.

The product of its digits is 3456, while the sum is 25.

The square root of 1634434 is about 1278.4498425828. The cubic root of 1634434 is about 117.7938082554.

Adding to 1634434 its reverse (4344361), we get a palindrome (5978795).

The spelling of 1634434 in words is "one million, six hundred thirty-four thousand, four hundred thirty-four".