1479681 has 16 divisors (see below), whose sum is σ = 2505600. Its totient is φ = 845424.

The previous prime is 1479679. The next prime is 1479713. The reversal of 1479681 is 1869741.

It is not a de Polignac number, because 1479681 - 2¹ = 1479679 is a prime.

It is a super-2 number, since 2×1479681² = 4378911723522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

1479681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1479671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3726 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (156600).

2^1479681 is an apocalyptic number.

It is an amenable number.

1479681 is a deficient number, since it is larger than the sum of its proper divisors (1025919).

1479681 is an equidigital number, since it uses as much as digits as its factorization.

1479681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845 (or 7839 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1479681 is about 1216.4213908017. The cubic root of 1479681 is about 113.9521960235.

The spelling of 1479681 in words is "one million, four hundred seventy-nine thousand, six hundred eighty-one".