1672884 has 36 divisors (see below), whose sum is σ = 4368000. Its totient is φ = 539280.

The previous prime is 1672873. The next prime is 1672889. The reversal of 1672884 is 4882761.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672889) 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, 367 + ... + 1865.

2^1672884 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 1672884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2184000).

1672884 is an abundant number, since it is smaller than the sum of its proper divisors (2695116).

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

1672884 is a wasteful number, since it uses less digits than its factorization.

1672884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1535 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 1672884 is about 1293.4001700943. The cubic root of 1672884 is about 118.7103564806.

It can be divided in two parts, 1672 and 884, that added together give a triangular number (2556 = T₇₁).

The spelling of 1672884 in words is "one million, six hundred seventy-two thousand, eight hundred eighty-four".