1591480 has 32 divisors (see below), whose sum is σ = 3907440. Its totient is φ = 578560.

The previous prime is 1591463. The next prime is 1591483. The reversal of 1591480 is 841951.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591483) 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, 1369 + ... + 2248.

2^1591480 is an apocalyptic number.

1591480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1591480 is an abundant number, since it is smaller than the sum of its proper divisors (2315960).

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

1591480 is a wasteful number, since it uses less digits than its factorization.

1591480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639 (or 3635 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1591480 is about 1261.5387429643. The cubic root of 1591480 is about 116.7527346757.

The spelling of 1591480 in words is "one million, five hundred ninety-one thousand, four hundred eighty".