1364891 has 8 divisors (see below), whose sum is σ = 1499904. Its totient is φ = 1231720.

The previous prime is 1364861. The next prime is 1364897. The reversal of 1364891 is 1984631.

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 1364891 - 2¹⁰ = 1363867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1364897) 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, 1466 + ... + 2208.

It is an arithmetic number, because the mean of its divisors is an integer number (187488).

2^1364891 is an apocalyptic number.

1364891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1364891 is a deficient number, since it is larger than the sum of its proper divisors (135013).

1364891 is a wasteful number, since it uses less digits than its factorization.

1364891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its digits is 5184, while the sum is 32.

The square root of 1364891 is about 1168.2854959298. The cubic root of 1364891 is about 110.9258222582.

The spelling of 1364891 in words is "one million, three hundred sixty-four thousand, eight hundred ninety-one".