1964375 has 20 divisors (see below), whose sum is σ = 2811600. Its totient is φ = 1344000.

The previous prime is 1964363. The next prime is 1964381. The reversal of 1964375 is 5734691.

It is not a de Polignac number, because 1964375 - 2⁶ = 1964311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a d-powerful number, because it can be written as 1 + 9⁴ + 6 + 4⁶ + 3⁵ + 7³ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4151 + ... + 4599.

It is an arithmetic number, because the mean of its divisors is an integer number (140580).

2^1964375 is an apocalyptic number.

1964375 is a deficient number, since it is larger than the sum of its proper divisors (847225).

1964375 is an frugal number, since it uses more digits than its factorization.

1964375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 461 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 1964375 is about 1401.5616290410. The cubic root of 1964375 is about 125.2395406689.

The spelling of 1964375 in words is "one million, nine hundred sixty-four thousand, three hundred seventy-five".