1634494 has 8 divisors (see below), whose sum is σ = 2580840. Its totient is φ = 774216.

The previous prime is 1634489. The next prime is 1634497. The reversal of 1634494 is 4944361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634497) 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, 21469 + ... + 21544.

It is an arithmetic number, because the mean of its divisors is an integer number (322605).

2^1634494 is an apocalyptic number.

1634494 is a deficient number, since it is larger than the sum of its proper divisors (946346).

1634494 is a wasteful number, since it uses less digits than its factorization.

1634494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43034.

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

The square root of 1634494 is about 1278.4733082861. The cubic root of 1634494 is about 117.7952496396.

It can be divided in two parts, 163449 and 4, that multiplied together give a triangular number (653796 = T₁₁₄₃).

The spelling of 1634494 in words is "one million, six hundred thirty-four thousand, four hundred ninety-four".