1546220 has 48 divisors (see below), whose sum is σ = 3692640. Its totient is φ = 539136.

The previous prime is 1546219. The next prime is 1546229. The reversal of 1546220 is 226451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1546192 and 1546201.

It is not an unprimeable number, because it can be changed into a prime (1546229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4784 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (76930).

2^1546220 is an apocalyptic number.

1546220 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 1546220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846320).

1546220 is an abundant number, since it is smaller than the sum of its proper divisors (2146420).

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

1546220 is a wasteful number, since it uses less digits than its factorization.

1546220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1546220 is about 1243.4709485951. The cubic root of 1546220 is about 115.6352993017.

The spelling of 1546220 in words is "one million, five hundred forty-six thousand, two hundred twenty".