1618242 has 16 divisors (see below), whose sum is σ = 3257280. Its totient is φ = 535952.

The previous prime is 1618241. The next prime is 1618261. The reversal of 1618242 is 2428161.

It is not an unprimeable number, because it can be changed into a prime (1618241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (203580).

2^1618242 is an apocalyptic number.

1618242 is an abundant number, since it is smaller than the sum of its proper divisors (1639038).

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

1618242 is a wasteful number, since it uses less digits than its factorization.

1618242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737.

The product of its digits is 768, while the sum is 24.

The square root of 1618242 is about 1272.1014110518. The cubic root of 1618242 is about 117.4035302946.

The spelling of 1618242 in words is "one million, six hundred eighteen thousand, two hundred forty-two".