3934873478 has 4 divisors (see below), whose sum is σ = 5902310220. Its totient is φ = 1967436738.

The previous prime is 3934873403. The next prime is 3934873483. The reversal of 3934873478 is 8743784393.

3934873478 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 Curzon number.

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, 983718368 + ... + 983718371.

It is an arithmetic number, because the mean of its divisors is an integer number (1475577555).

Almost surely, 2^3934873478 is an apocalyptic number.

3934873478 is a deficient number, since it is larger than the sum of its proper divisors (1967436742).

3934873478 is a wasteful number, since it uses less digits than its factorization.

3934873478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967436741.

The product of its digits is 12192768, while the sum is 56.

The square root of 3934873478 is about 62728.5698705143. The cubic root of 3934873478 is about 1578.7387089881.

The spelling of 3934873478 in words is "three billion, nine hundred thirty-four million, eight hundred seventy-three thousand, four hundred seventy-eight".