1672824 has 32 divisors (see below), whose sum is σ = 4273920. Its totient is φ = 545376.

The previous prime is 1672799. The next prime is 1672849. The reversal of 1672824 is 4282761.

It is an interprime number because it is at equal distance from previous prime (1672799) and next prime (1672849).

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 6⁷ + 7⁷ + 2¹³ + 8⁵ + 2¹⁹ + 4⁶ .

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1672791 and 1672800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387 + ... + 1869.

It is an arithmetic number, because the mean of its divisors is an integer number (133560).

2^1672824 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 1672824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2136960).

1672824 is an abundant number, since it is smaller than the sum of its proper divisors (2601096).

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

1672824 is a wasteful number, since it uses less digits than its factorization.

1672824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1535 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 1672824 is about 1293.3769752087. The cubic root of 1672824 is about 118.7089372337.

The spelling of 1672824 in words is "one million, six hundred seventy-two thousand, eight hundred twenty-four".