1490863 has 4 divisors (see below), whose sum is σ = 1626408. Its totient is φ = 1355320.

The previous prime is 1490843. The next prime is 1490869. The reversal of 1490863 is 3680941.

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

It is a cyclic number.

It is not a de Polignac number, because 1490863 - 2⁹ = 1490351 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490869) 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, 67756 + ... + 67777.

It is an arithmetic number, because the mean of its divisors is an integer number (406602).

2^1490863 is an apocalyptic number.

1490863 is a deficient number, since it is larger than the sum of its proper divisors (135545).

1490863 is a wasteful number, since it uses less digits than its factorization.

1490863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135544.

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

The square root of 1490863 is about 1221.0090089758. The cubic root of 1490863 is about 114.2385228525.

The spelling of 1490863 in words is "one million, four hundred ninety thousand, eight hundred sixty-three".