1796640 has 96 divisors (see below), whose sum is σ = 5987520. Its totient is φ = 451584.

The previous prime is 1796617. The next prime is 1796657. The reversal of 1796640 is 466971.

1796640 = T₂₄ + T₂₅ + ... + T₂₂₀.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 9022 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2^1796640 is an apocalyptic number.

1796640 is a gapful number since it is divisible by the number (10) 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 1796640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2993760).

1796640 is an abundant number, since it is smaller than the sum of its proper divisors (4190880).

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

1796640 is a wasteful number, since it uses less digits than its factorization.

1796640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1796640 is about 1340.3880035273. The cubic root of 1796640 is about 121.5683031420.

The spelling of 1796640 in words is "one million, seven hundred ninety-six thousand, six hundred forty".