1364445 has 24 divisors (see below), whose sum is σ = 2454816. Its totient is φ = 727056.

The previous prime is 1364431. The next prime is 1364453. The reversal of 1364445 is 5444631.

1364445 is a `hidden beast` number, since 13 + 644 + 4 + 5 = 666.

It is not a de Polignac number, because 1364445 - 2⁶ = 1364381 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654 + ... + 1776.

It is an arithmetic number, because the mean of its divisors is an integer number (102284).

2^1364445 is an apocalyptic number.

1364445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1364445 is a deficient number, since it is larger than the sum of its proper divisors (1090371).

1364445 is an equidigital number, since it uses as much as digits as its factorization.

1364445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1131 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1364445 is about 1168.0946023332. The cubic root of 1364445 is about 110.9137386788.

It can be divided in two parts, 13644 and 45, that added together give a square (13689 = 117²).

The spelling of 1364445 in words is "one million, three hundred sixty-four thousand, four hundred forty-five".