1490865 has 8 divisors (see below), whose sum is σ = 2385408. Its totient is φ = 795120.

The previous prime is 1490843. The next prime is 1490869. The reversal of 1490865 is 5680941.

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

It is not a de Polignac number, because 1490865 - 2⁵ = 1490833 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 49681 + ... + 49710.

It is an arithmetic number, because the mean of its divisors is an integer number (298176).

2^1490865 is an apocalyptic number.

1490865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1490865 is a deficient number, since it is larger than the sum of its proper divisors (894543).

1490865 is an equidigital number, since it uses as much as digits as its factorization.

1490865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99399.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1490865 is about 1221.0098279703. The cubic root of 1490865 is about 114.2385739363.

The spelling of 1490865 in words is "one million, four hundred ninety thousand, eight hundred sixty-five".