3901859438 has 4 divisors (see below), whose sum is σ = 5852789160. Its totient is φ = 1950929718.

The previous prime is 3901859419. The next prime is 3901859459. The reversal of 3901859438 is 8349581093.

3901859438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975464858 + ... + 975464861.

It is an arithmetic number, because the mean of its divisors is an integer number (1463197290).

Almost surely, 2^3901859438 is an apocalyptic number.

3901859438 is a deficient number, since it is larger than the sum of its proper divisors (1950929722).

3901859438 is a wasteful number, since it uses less digits than its factorization.

3901859438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950929721.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 3901859438 is about 62464.8656286076. The cubic root of 3901859438 is about 1574.3110366015.

The spelling of 3901859438 in words is "three billion, nine hundred one million, eight hundred fifty-nine thousand, four hundred thirty-eight".