1964087 has 8 divisors (see below), whose sum is σ = 2083200. Its totient is φ = 1846584.

The previous prime is 1964077. The next prime is 1964093. The reversal of 1964087 is 7804691.

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

It is a cyclic number.

It is not a de Polignac number, because 1964087 - 2¹⁰ = 1963063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 3482.

It is an arithmetic number, because the mean of its divisors is an integer number (260400).

2^1964087 is an apocalyptic number.

1964087 is a deficient number, since it is larger than the sum of its proper divisors (119113).

1964087 is a wasteful number, since it uses less digits than its factorization.

1964087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1964087 is about 1401.4588827361. The cubic root of 1964087 is about 125.2334198501.

The spelling of 1964087 in words is "one million, nine hundred sixty-four thousand, eighty-seven".