3081242 has 4 divisors (see below), whose sum is σ = 4621866. Its totient is φ = 1540620.

The previous prime is 3081223. The next prime is 3081259. The reversal of 3081242 is 2421803.

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., 3024121 + 57121 = 1739^2 + 239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770309 + ... + 770312.

Almost surely, 2^3081242 is an apocalyptic number.

3081242 is a deficient number, since it is larger than the sum of its proper divisors (1540624).

3081242 is a wasteful number, since it uses less digits than its factorization.

3081242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540623.

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

The square root of 3081242 is about 1755.3466894035. The cubic root of 3081242 is about 145.5152812408.

The spelling of 3081242 in words is "three million, eighty-one thousand, two hundred forty-two".