814749 has 12 divisors (see below), whose sum is σ = 1177056. Its totient is φ = 501072.

The previous prime is 814747. The next prime is 814763. The reversal of 814749 is 947418.

It is not a de Polignac number, because 814749 - 2¹ = 814747 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297 + ... + 1310.

It is an arithmetic number, because the mean of its divisors is an integer number (98088).

2⁸¹⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

814749 is a deficient number, since it is larger than the sum of its proper divisors (362307).

814749 is a wasteful number, since it uses less digits than its factorization.

814749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1623 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 814749 is about 902.6344775157. The cubic root of 814749 is about 93.3987961946.

The spelling of 814749 in words is "eight hundred fourteen thousand, seven hundred forty-nine".