1673628 has 48 divisors (see below), whose sum is σ = 4408320. Its totient is φ = 489600.

The previous prime is 1673627. The next prime is 1673629. The reversal of 1673628 is 8263761.

It is an interprime number because it is at equal distance from previous prime (1673627) and next prime (1673629).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3888 + ... + 4296.

It is an arithmetic number, because the mean of its divisors is an integer number (91840).

2^1673628 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 1673628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2204160).

1673628 is an abundant number, since it is smaller than the sum of its proper divisors (2734692).

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

1673628 is a wasteful number, since it uses less digits than its factorization.

1673628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 456 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 1673628 is about 1293.6877521257. The cubic root of 1673628 is about 118.7279523241.

The spelling of 1673628 in words is "one million, six hundred seventy-three thousand, six hundred twenty-eight".