1628622 has 24 divisors (see below), whose sum is σ = 3555864. Its totient is φ = 538704.

The previous prime is 1628621. The next prime is 1628633. The reversal of 1628622 is 2268261.

1628622 is a `hidden beast` number, since 16 + 28 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2853 + ... + 3375.

It is an arithmetic number, because the mean of its divisors is an integer number (148161).

2^1628622 is an apocalyptic number.

1628622 is an abundant number, since it is smaller than the sum of its proper divisors (1927242).

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

1628622 is a wasteful number, since it uses less digits than its factorization.

1628622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 701 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1628622 is about 1276.1747529238. The cubic root of 1628622 is about 117.6540186373.

The spelling of 1628622 in words is "one million, six hundred twenty-eight thousand, six hundred twenty-two".