1491552 has 36 divisors (see below), whose sum is σ = 4242420. Its totient is φ = 497088.

The previous prime is 1491547. The next prime is 1491571. The reversal of 1491552 is 2551941.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2302 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (117845).

2^1491552 is an apocalyptic number.

1491552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1491552 is an abundant number, since it is smaller than the sum of its proper divisors (2750868).

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

1491552 is a wasteful number, since it uses less digits than its factorization.

1491552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195 (or 5184 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 1491552 is about 1221.2911200856. The cubic root of 1491552 is about 114.2561185269.

The spelling of 1491552 in words is "one million, four hundred ninety-one thousand, five hundred fifty-two".