1623460 has 12 divisors (see below), whose sum is σ = 3409308. Its totient is φ = 649376.

The previous prime is 1623451. The next prime is 1623463. The reversal of 1623460 is 643261.

It can be written as a sum of positive squares in 2 ways, for example, as 495616 + 1127844 = 704^2 + 1062^2 .

It is not an unprimeable number, because it can be changed into a prime (1623463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40567 + ... + 40606.

It is an arithmetic number, because the mean of its divisors is an integer number (284109).

2^1623460 is an apocalyptic number.

1623460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1623460 is an abundant number, since it is smaller than the sum of its proper divisors (1785848).

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

1623460 is a wasteful number, since it uses less digits than its factorization.

1623460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81182 (or 81180 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1623460 is about 1274.1506975236. The cubic root of 1623460 is about 117.5295836178.

The spelling of 1623460 in words is "one million, six hundred twenty-three thousand, four hundred sixty".