1490943 has 8 divisors (see below), whose sum is σ = 2025648. Its totient is φ = 975104.

The previous prime is 1490941. The next prime is 1490953. The reversal of 1490943 is 3490941.

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

It is a cyclic number.

It is not a de Polignac number, because 1490943 - 2¹ = 1490941 is a prime.

It is a super-2 number, since 2×1490943² = 4445822058498, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

1490943 is a lucky number.

It is a plaindrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 1490943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4530 + ... + 4847.

It is an arithmetic number, because the mean of its divisors is an integer number (253206).

2^1490943 is an apocalyptic number.

1490943 is a deficient number, since it is larger than the sum of its proper divisors (534705).

1490943 is an equidigital number, since it uses as much as digits as its factorization.

1490943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9433.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1490943 is about 1221.0417683274. The cubic root of 1490943 is about 114.2405661697.

The spelling of 1490943 in words is "one million, four hundred ninety thousand, nine hundred forty-three".