1490646 has 8 divisors (see below), whose sum is σ = 2981304. Its totient is φ = 496880.

The previous prime is 1490641. The next prime is 1490647. The reversal of 1490646 is 6460941.

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

1490646 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490641) 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, 124215 + ... + 124226.

It is an arithmetic number, because the mean of its divisors is an integer number (372663).

2^1490646 is an apocalyptic number.

1490646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1490646 is a wasteful number, since it uses less digits than its factorization.

1490646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248446.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1490646 is about 1220.9201448088. The cubic root of 1490646 is about 114.2329799863.

The spelling of 1490646 in words is "one million, four hundred ninety thousand, six hundred forty-six".