1623242 has 8 divisors (see below), whose sum is σ = 2452800. Its totient is φ = 805644.

The previous prime is 1623233. The next prime is 1623263. The reversal of 1623242 is 2423261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 1 + 6³ + 2¹¹ + 3¹² + 2¹³ + 4¹⁰ + 2¹⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2642 + ... + 3197.

It is an arithmetic number, because the mean of its divisors is an integer number (306600).

2^1623242 is an apocalyptic number.

1623242 is a deficient number, since it is larger than the sum of its proper divisors (829558).

1623242 is a wasteful number, since it uses less digits than its factorization.

1623242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980.

The product of its digits is 576, while the sum is 20.

The square root of 1623242 is about 1274.0651474709. The cubic root of 1623242 is about 117.5243227149.

The spelling of 1623242 in words is "one million, six hundred twenty-three thousand, two hundred forty-two".