1490333 has 4 divisors (see below), whose sum is σ = 1604988. Its totient is φ = 1375680.

The previous prime is 1490329. The next prime is 1490347. The reversal of 1490333 is 3330941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 683929 + 806404 = 827^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 1490333 - 2² = 1490329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1490299 and 1490308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57308 + ... + 57333.

It is an arithmetic number, because the mean of its divisors is an integer number (401247).

2^1490333 is an apocalyptic number.

1490333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1490333 is a deficient number, since it is larger than the sum of its proper divisors (114655).

1490333 is a wasteful number, since it uses less digits than its factorization.

1490333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114654.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1490333 is about 1220.7919560679. The cubic root of 1490333 is about 114.2249840289.

The spelling of 1490333 in words is "one million, four hundred ninety thousand, three hundred thirty-three".