1624142 has 8 divisors (see below), whose sum is σ = 2623656. Its totient is φ = 749592.

The previous prime is 1624141. The next prime is 1624151. The reversal of 1624142 is 2414261.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1624141) 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, 31208 + ... + 31259.

It is an arithmetic number, because the mean of its divisors is an integer number (327957).

2^1624142 is an apocalyptic number.

1624142 is a deficient number, since it is larger than the sum of its proper divisors (999514).

1624142 is a wasteful number, since it uses less digits than its factorization.

1624142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62482.

The product of its digits is 384, while the sum is 20.

The square root of 1624142 is about 1274.4182986759. The cubic root of 1624142 is about 117.5460389980.

The spelling of 1624142 in words is "one million, six hundred twenty-four thousand, one hundred forty-two".