1364749 has 4 divisors (see below), whose sum is σ = 1367100. Its totient is φ = 1362400.

The previous prime is 1364747. The next prime is 1364761. The reversal of 1364749 is 9474631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 499849 + 864900 = 707^2 + 930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1364749 - 2¹ = 1364747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364747) 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, 399 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (341775).

2^1364749 is an apocalyptic number.

It is an amenable number.

1364749 is a deficient number, since it is larger than the sum of its proper divisors (2351).

1364749 is a wasteful number, since it uses less digits than its factorization.

1364749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350.

The product of its digits is 18144, while the sum is 34.

The square root of 1364749 is about 1168.2247215326. The cubic root of 1364749 is about 110.9219753056.

The spelling of 1364749 in words is "one million, three hundred sixty-four thousand, seven hundred forty-nine".