1964697 has 8 divisors (see below), whose sum is σ = 2993856. Its totient is φ = 1122672.

The previous prime is 1964671. The next prime is 1964719. The reversal of 1964697 is 7964691.

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

It is not a de Polignac number, because 1964697 - 2⁷ = 1964569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1964617) 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, 46758 + ... + 46799.

It is an arithmetic number, because the mean of its divisors is an integer number (374232).

2^1964697 is an apocalyptic number.

It is an amenable number.

1964697 is a deficient number, since it is larger than the sum of its proper divisors (1029159).

1964697 is an equidigital number, since it uses as much as digits as its factorization.

1964697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93567.

The product of its digits is 81648, while the sum is 42.

The square root of 1964697 is about 1401.6764962002. The cubic root of 1964697 is about 125.2463833761.

The spelling of 1964697 in words is "one million, nine hundred sixty-four thousand, six hundred ninety-seven".