1964738 has 8 divisors (see below), whose sum is σ = 2970000. Its totient is φ = 974740.

The previous prime is 1964723. The next prime is 1964773. The reversal of 1964738 is 8374691.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3488 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (371250).

2^1964738 is an apocalyptic number.

1964738 is a deficient number, since it is larger than the sum of its proper divisors (1005262).

1964738 is a wasteful number, since it uses less digits than its factorization.

1964738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632.

The product of its digits is 36288, while the sum is 38.

The square root of 1964738 is about 1401.6911214672. The cubic root of 1964738 is about 125.2472545988.

The spelling of 1964738 in words is "one million, nine hundred sixty-four thousand, seven hundred thirty-eight".