1486981 has 4 divisors (see below), whose sum is σ = 1498464. Its totient is φ = 1475500.

The previous prime is 1486963. The next prime is 1486987. The reversal of 1486981 is 1896841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1896841 = 947 ⋅2003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1486981 is a prime.

It is a super-2 number, since 2×1486981² = 4422224988722, which contains 22 as substring.

It is a Duffinian number.

1486981 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1486981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1486987) 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, 5545 + ... + 5806.

It is an arithmetic number, because the mean of its divisors is an integer number (374616).

2^1486981 is an apocalyptic number.

It is an amenable number.

1486981 is a deficient number, since it is larger than the sum of its proper divisors (11483).

1486981 is a wasteful number, since it uses less digits than its factorization.

1486981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482.

The product of its digits is 13824, while the sum is 37.

The square root of 1486981 is about 1219.4183039466. The cubic root of 1486981 is about 114.1392829227.

The spelling of 1486981 in words is "one million, four hundred eighty-six thousand, nine hundred eighty-one".