3618242 has 4 divisors (see below), whose sum is σ = 5427366. Its totient is φ = 1809120.

The previous prime is 3618239. The next prime is 3618247. The reversal of 3618242 is 2428163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2247001 + 1371241 = 1499^2 + 1171^2 .

It is not an unprimeable number, because it can be changed into a prime (3618247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904559 + ... + 904562.

Almost surely, 2^3618242 is an apocalyptic number.

3618242 is a deficient number, since it is larger than the sum of its proper divisors (1809124).

3618242 is a wasteful number, since it uses less digits than its factorization.

3618242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809123.

The product of its digits is 2304, while the sum is 26.

The square root of 3618242 is about 1902.1677107973. The cubic root of 3618242 is about 153.5203211327.

The spelling of 3618242 in words is "three million, six hundred eighteen thousand, two hundred forty-two".