1623672 has 32 divisors (see below), whose sum is σ = 4510800. Its totient is φ = 541152.

The previous prime is 1623667. The next prime is 1623679. The reversal of 1623672 is 2763261.

It is a happy number.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3543 + ... + 3974.

2^1623672 is an apocalyptic number.

1623672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1623672 is an abundant number, since it is smaller than the sum of its proper divisors (2887128).

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

1623672 is a wasteful number, since it uses less digits than its factorization.

1623672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532 (or 7522 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1623672 is about 1274.2338874791. The cubic root of 1623672 is about 117.5346992735.

The spelling of 1623672 in words is "one million, six hundred twenty-three thousand, six hundred seventy-two".