1486638 has 12 divisors (see below), whose sum is σ = 3221088. Its totient is φ = 495540.

The previous prime is 1486637. The next prime is 1486649. The reversal of 1486638 is 8366841.

It is a happy number.

1486638 is a `hidden beast` number, since 14 + 8 + 6 + 638 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1486637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41278 + ... + 41313.

It is an arithmetic number, because the mean of its divisors is an integer number (268424).

2^1486638 is an apocalyptic number.

1486638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1486638 is an abundant number, since it is smaller than the sum of its proper divisors (1734450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1486638 is a wasteful number, since it uses less digits than its factorization.

1486638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82599 (or 82596 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1486638 is about 1219.2776550073. The cubic root of 1486638 is about 114.1305061271.

It can be divided in two parts, 148 and 6638, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 1486638 in words is "one million, four hundred eighty-six thousand, six hundred thirty-eight".