1673616 has 80 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 448512.

The previous prime is 1673591. The next prime is 1673627. The reversal of 1673616 is 6163761.

1673616 = T₆₈₈ + T₆₈₉ + ... + T₆₉₄.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5566 + ... + 5858.

2^1673616 is an apocalyptic number.

1673616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1673616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2624832).

1673616 is an abundant number, since it is smaller than the sum of its proper divisors (3576048).

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

1673616 is a wasteful number, since it uses less digits than its factorization.

1673616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 1673616 is about 1293.6831142131. The cubic root of 1673616 is about 118.7276685616.

The spelling of 1673616 in words is "one million, six hundred seventy-three thousand, six hundred sixteen".