1479981 has 16 divisors (see below), whose sum is σ = 2090880. Its totient is φ = 929280.

The previous prime is 1479941. The next prime is 1479991. The reversal of 1479981 is 1899741.

It is a happy number.

1479981 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 1479981 - 2⁹ = 1479469 is a prime.

It is a super-2 number, since 2×1479981² = 4380687520722, which contains 22 as substring.

1479981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6021 + ... + 6261.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

2^1479981 is an apocalyptic number.

It is an amenable number.

1479981 is a deficient number, since it is larger than the sum of its proper divisors (610899).

1479981 is a wasteful number, since it uses less digits than its factorization.

1479981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its digits is 18144, while the sum is 39.

The square root of 1479981 is about 1216.5446970827. The cubic root of 1479981 is about 113.9598966357.

The spelling of 1479981 in words is "one million, four hundred seventy-nine thousand, nine hundred eighty-one".