1591948 has 24 divisors (see below), whose sum is σ = 3027024. Its totient is φ = 729600.

The previous prime is 1591927. The next prime is 1591949. The reversal of 1591948 is 8491951.

It is not an unprimeable number, because it can be changed into a prime (1591949) 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, 2503 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (126126).

2^1591948 is an apocalyptic number.

It is an amenable number.

1591948 is a deficient number, since it is larger than the sum of its proper divisors (1435076).

1591948 is a wasteful number, since it uses less digits than its factorization.

1591948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 631 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 1591948 is about 1261.7242170934. The cubic root of 1591948 is about 116.7641778868.

The spelling of 1591948 in words is "one million, five hundred ninety-one thousand, nine hundred forty-eight".