1622752 has 48 divisors (see below), whose sum is σ = 3583440. Its totient is φ = 718848.

The previous prime is 1622749. The next prime is 1622773. The reversal of 1622752 is 2572261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10258 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (74655).

2^1622752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1791720).

1622752 is an abundant number, since it is smaller than the sum of its proper divisors (1960688).

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

1622752 is a wasteful number, since it uses less digits than its factorization.

1622752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 195 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 1622752 is about 1273.8728350978. The cubic root of 1622752 is about 117.5124960303.

The spelling of 1622752 in words is "one million, six hundred twenty-two thousand, seven hundred fifty-two".