1916534 has 8 divisors (see below), whose sum is σ = 2881008. Its totient is φ = 956200.

The previous prime is 1916531. The next prime is 1916539. The reversal of 1916534 is 4356191.

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

It is a Curzon number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1916497 and 1916506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916531) 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, 719 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (360126).

2^1916534 is an apocalyptic number.

1916534 is a deficient number, since it is larger than the sum of its proper divisors (964474).

1916534 is a wasteful number, since it uses less digits than its factorization.

1916534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070.

The product of its digits is 3240, while the sum is 29.

The square root of 1916534 is about 1384.3893960877. The cubic root of 1916534 is about 124.2144658293.

The spelling of 1916534 in words is "one million, nine hundred sixteen thousand, five hundred thirty-four".