1364863 has 4 divisors (see below), whose sum is σ = 1396648. Its totient is φ = 1333080.

The previous prime is 1364861. The next prime is 1364897. The reversal of 1364863 is 3684631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3684631 = 17 ⋅216743.

It is a cyclic number.

It is not a de Polignac number, because 1364863 - 2¹ = 1364861 is a prime.

It is a Duffinian number.

1364863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15828 + ... + 15913.

It is an arithmetic number, because the mean of its divisors is an integer number (349162).

2^1364863 is an apocalyptic number.

1364863 is a deficient number, since it is larger than the sum of its proper divisors (31785).

1364863 is an equidigital number, since it uses as much as digits as its factorization.

1364863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31784.

The product of its digits is 10368, while the sum is 31.

The square root of 1364863 is about 1168.2735124961. The cubic root of 1364863 is about 110.9250637253.

The spelling of 1364863 in words is "one million, three hundred sixty-four thousand, eight hundred sixty-three".