1452816 has 100 divisors (see below), whose sum is σ = 4501200. Its totient is φ = 451008.

The previous prime is 1452809. The next prime is 1452827. The reversal of 1452816 is 6182541.

It is a super-2 number, since 2×1452816² = 4221348659712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1452816.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24595 + ... + 24653.

It is an arithmetic number, because the mean of its divisors is an integer number (45012).

2^1452816 is an apocalyptic number.

1452816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1452816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250600).

1452816 is an abundant number, since it is smaller than the sum of its proper divisors (3048384).

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

1452816 is a wasteful number, since it uses less digits than its factorization.

1452816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 83 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1452816 is about 1205.3281710804. The cubic root of 1452816 is about 113.2583433176.

The spelling of 1452816 in words is "one million, four hundred fifty-two thousand, eight hundred sixteen".