1946720 has 48 divisors (see below), whose sum is σ = 4808160. Its totient is φ = 744832.

The previous prime is 1946713. The next prime is 1946723. The reversal of 1946720 is 276491.

1946720 = T₆₉ + T₇₀ + ... + T₂₂₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84629 + ... + 84651.

It is an arithmetic number, because the mean of its divisors is an integer number (100170).

2^1946720 is an apocalyptic number.

1946720 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 1946720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404080).

1946720 is an abundant number, since it is smaller than the sum of its proper divisors (2861440).

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

1946720 is an frugal number, since it uses more digits than its factorization.

1946720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1946720 is about 1395.2490817055. The cubic root of 1946720 is about 124.8632103634.

The spelling of 1946720 in words is "one million, nine hundred forty-six thousand, seven hundred twenty".