1626672 has 20 divisors (see below), whose sum is σ = 4202360. Its totient is φ = 542208.

The previous prime is 1626649. The next prime is 1626673. The reversal of 1626672 is 2766261.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16897 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (210118).

2^1626672 is an apocalyptic number.

1626672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1626672 is an abundant number, since it is smaller than the sum of its proper divisors (2575688).

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

1626672 is a wasteful number, since it uses less digits than its factorization.

1626672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33900 (or 33894 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1626672 is about 1275.4105221457. The cubic root of 1626672 is about 117.6070429398.

The spelling of 1626672 in words is "one million, six hundred twenty-six thousand, six hundred seventy-two".