1490630 has 16 divisors (see below), whose sum is σ = 2800224. Its totient is φ = 570240.

The previous prime is 1490627. The next prime is 1490633. The reversal of 1490630 is 360941.

It is an interprime number because it is at equal distance from previous prime (1490627) and next prime (1490633).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1490596 and 1490605.

It is a congruent number.

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, 3011 + ... + 3470.

It is an arithmetic number, because the mean of its divisors is an integer number (175014).

2^1490630 is an apocalyptic number.

1490630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490630 is a deficient number, since it is larger than the sum of its proper divisors (1309594).

1490630 is a wasteful number, since it uses less digits than its factorization.

1490630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1490630 is about 1220.9135923562. The cubic root of 1490630 is about 114.2325712744.

The spelling of 1490630 in words is "one million, four hundred ninety thousand, six hundred thirty".