1164397 has 8 divisors (see below), whose sum is σ = 1283744. Its totient is φ = 1049328.

The previous prime is 1164367. The next prime is 1164409. The reversal of 1164397 is 7934611.

It is a happy number.

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 1164397 - 2¹⁵ = 1131629 is a prime.

It is an Ulam number.

It is a Duffinian number.

1164397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164367) 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, 483 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (160468).

2^1164397 is an apocalyptic number.

It is an amenable number.

1164397 is a deficient number, since it is larger than the sum of its proper divisors (119347).

1164397 is a wasteful number, since it uses less digits than its factorization.

1164397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139.

The product of its digits is 4536, while the sum is 31.

The square root of 1164397 is about 1079.0722867352. The cubic root of 1164397 is about 105.2043488301.

The spelling of 1164397 in words is "one million, one hundred sixty-four thousand, three hundred ninety-seven".