1650480 has 120 divisors (see below), whose sum is σ = 5760048. Its totient is φ = 388608.

The previous prime is 1650463. The next prime is 1650487. The reversal of 1650480 is 840561.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1650480.

It is not an unprimeable number, because it can be changed into a prime (1650487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71749 + ... + 71771.

2^1650480 is an apocalyptic number.

1650480 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 1650480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880024).

1650480 is an abundant number, since it is smaller than the sum of its proper divisors (4109568).

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

1650480 is a wasteful number, since it uses less digits than its factorization.

1650480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1650480 is about 1284.7100840267. The cubic root of 1650480 is about 118.1780325128.

The spelling of 1650480 in words is "one million, six hundred fifty thousand, four hundred eighty".