3903936242 has 4 divisors (see below), whose sum is σ = 5855904366. Its totient is φ = 1951968120.

The previous prime is 3903936209. The next prime is 3903936277. The reversal of 3903936242 is 2426393093.

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., 3367596961 + 536339281 = 58031^2 + 23159^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3903936242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975984059 + ... + 975984062.

Almost surely, 2^3903936242 is an apocalyptic number.

3903936242 is a deficient number, since it is larger than the sum of its proper divisors (1951968124).

3903936242 is a wasteful number, since it uses less digits than its factorization.

3903936242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951968123.

The product of its (nonzero) digits is 209952, while the sum is 41.

The square root of 3903936242 is about 62481.4871942082. The cubic root of 3903936242 is about 1574.5903013640.

The spelling of 3903936242 in words is "three billion, nine hundred three million, nine hundred thirty-six thousand, two hundred forty-two".