3906724438 has 8 divisors (see below), whose sum is σ = 5862398688. Its totient is φ = 1952591544.

The previous prime is 3906724421. The next prime is 3906724441. The reversal of 3906724438 is 8344276093.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378981 + ... + 389152.

It is an arithmetic number, because the mean of its divisors is an integer number (732799836).

Almost surely, 2^3906724438 is an apocalyptic number.

3906724438 is a deficient number, since it is larger than the sum of its proper divisors (1955674250).

3906724438 is a wasteful number, since it uses less digits than its factorization.

3906724438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770678.

The product of its (nonzero) digits is 870912, while the sum is 46.

The square root of 3906724438 is about 62503.7953887602. The cubic root of 3906724438 is about 1574.9650702592.

The spelling of 3906724438 in words is "three billion, nine hundred six million, seven hundred twenty-four thousand, four hundred thirty-eight".