1490636 has 24 divisors (see below), whose sum is σ = 3010560. Its totient is φ = 632592.

The previous prime is 1490633. The next prime is 1490639. The reversal of 1490636 is 6360941.

It is an interprime number because it is at equal distance from previous prime (1490633) and next prime (1490639).

It is a junction number, because it is equal to n+sod(n) for n = 1490599 and 1490608.

It is not an unprimeable number, because it can be changed into a prime (1490633) 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 7 ways as a sum of consecutive naturals, for example, 3701 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (125440).

2^1490636 is an apocalyptic number.

It is an amenable number.

1490636 is an abundant number, since it is smaller than the sum of its proper divisors (1519924).

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

1490636 is a wasteful number, since it uses less digits than its factorization.

1490636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1490636 is about 1220.9160495300. The cubic root of 1490636 is about 114.2327245417.

The spelling of 1490636 in words is "one million, four hundred ninety thousand, six hundred thirty-six".