1966434 has 8 divisors (see below), whose sum is σ = 3932880. Its totient is φ = 655476.

The previous prime is 1966429. The next prime is 1966463. The reversal of 1966434 is 4346691.

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

1966434 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1966395 and 1966404.

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, 163864 + ... + 163875.

It is an arithmetic number, because the mean of its divisors is an integer number (491610).

2^1966434 is an apocalyptic number.

1966434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1966434 is a wasteful number, since it uses less digits than its factorization.

1966434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327744.

The product of its digits is 15552, while the sum is 33.

The square root of 1966434 is about 1402.2959744647. The cubic root of 1966434 is about 125.2832828550.

The spelling of 1966434 in words is "one million, nine hundred sixty-six thousand, four hundred thirty-four".