3906397518 has 8 divisors (see below), whose sum is σ = 7812795048. Its totient is φ = 1302132504.

The previous prime is 3906397501. The next prime is 3906397529. The reversal of 3906397518 is 8157936093.

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

3906397518 is an admirable number.

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, 325533121 + ... + 325533132.

It is an arithmetic number, because the mean of its divisors is an integer number (976599381).

Almost surely, 2^3906397518 is an apocalyptic number.

3906397518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3906397518 is a wasteful number, since it uses less digits than its factorization.

3906397518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651066258.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 3906397518 is about 62501.1801328583. The cubic root of 3906397518 is about 1574.9211372959.

The spelling of 3906397518 in words is "three billion, nine hundred six million, three hundred ninety-seven thousand, five hundred eighteen".