3954217398 has 8 divisors (see below), whose sum is σ = 7908434808. Its totient is φ = 1318072464.

The previous prime is 3954217331. The next prime is 3954217411. The reversal of 3954217398 is 8937124593.

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

3954217398 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3954217398.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 329518111 + ... + 329518122.

It is an arithmetic number, because the mean of its divisors is an integer number (988554351).

Almost surely, 2^3954217398 is an apocalyptic number.

3954217398 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.

3954217398 is a wasteful number, since it uses less digits than its factorization.

3954217398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659036238.

The product of its digits is 1632960, while the sum is 51.

The square root of 3954217398 is about 62882.5683158695. The cubic root of 3954217398 is about 1581.3215186804.

The spelling of 3954217398 in words is "three billion, nine hundred fifty-four million, two hundred seventeen thousand, three hundred ninety-eight".