1491594 has 24 divisors (see below), whose sum is σ = 3232512. Its totient is φ = 458640.

The previous prime is 1491587. The next prime is 1491601. The reversal of 1491594 is 4951941.

It is an interprime number because it is at equal distance from previous prime (1491587) and next prime (1491601).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (134688).

2^1491594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1491594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616256).

1491594 is an abundant number, since it is smaller than the sum of its proper divisors (1740918).

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

1491594 is a wasteful number, since it uses less digits than its factorization.

1491594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1489 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 1491594 is about 1221.3083148820. The cubic root of 1491594 is about 114.2571909472.

The spelling of 1491594 in words is "one million, four hundred ninety-one thousand, five hundred ninety-four".