38945242 has 8 divisors (see below), whose sum is σ = 66763296. Its totient is φ = 16690812.

The previous prime is 38945239. The next prime is 38945261. The reversal of 38945242 is 24254983.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390888 + ... + 1390915.

It is an arithmetic number, because the mean of its divisors is an integer number (8345412).

Almost surely, 2^38945242 is an apocalyptic number.

38945242 is a deficient number, since it is larger than the sum of its proper divisors (27818054).

38945242 is a wasteful number, since it uses less digits than its factorization.

38945242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781812.

The product of its digits is 69120, while the sum is 37.

The square root of 38945242 is about 6240.6123097017. The cubic root of 38945242 is about 338.9623554698.

The spelling of 38945242 in words is "thirty-eight million, nine hundred forty-five thousand, two hundred forty-two".