1916480 has 56 divisors (see below), whose sum is σ = 4690872. Its totient is φ = 745472.

The previous prime is 1916471. The next prime is 1916531. The reversal of 1916480 is 846191.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 1893376 = 152^2 + 1376^2 .

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, 16904 + ... + 17016.

2^1916480 is an apocalyptic number.

1916480 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 1916480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2345436).

1916480 is an abundant number, since it is smaller than the sum of its proper divisors (2774392).

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

1916480 is a wasteful number, since it uses less digits than its factorization.

1916480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1916480 is about 1384.3698927671. The cubic root of 1916480 is about 124.2132992018.

The spelling of 1916480 in words is "one million, nine hundred sixteen thousand, four hundred eighty".