1490386 has 8 divisors (see below), whose sum is σ = 2242044. Its totient is φ = 743040.

The previous prime is 1490381. The next prime is 1490429. The reversal of 1490386 is 6830941.

It can be written as a sum of positive squares in 2 ways, for example, as 1476225 + 14161 = 1215^2 + 119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1490381) 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 3 ways as a sum of consecutive naturals, for example, 6 + ... + 1726.

2^1490386 is an apocalyptic number.

1490386 is a deficient number, since it is larger than the sum of its proper divisors (751658).

1490386 is a wasteful number, since it uses less digits than its factorization.

1490386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1490386 is about 1220.8136630952. The cubic root of 1490386 is about 114.2263380557.

The spelling of 1490386 in words is "one million, four hundred ninety thousand, three hundred eighty-six".