3957212398 has 8 divisors (see below), whose sum is σ = 5937673392. Its totient is φ = 1977987936.

The previous prime is 3957212387. The next prime is 3957212401. The reversal of 3957212398 is 8932127593.

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, 301090 + ... + 313957.

It is an arithmetic number, because the mean of its divisors is an integer number (742209174).

Almost surely, 2^3957212398 is an apocalyptic number.

3957212398 is a deficient number, since it is larger than the sum of its proper divisors (1980460994).

3957212398 is a wasteful number, since it uses less digits than its factorization.

3957212398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618266.

The product of its digits is 816480, while the sum is 49.

The square root of 3957212398 is about 62906.3780391146. The cubic root of 3957212398 is about 1581.7206589946.

The spelling of 3957212398 in words is "three billion, nine hundred fifty-seven million, two hundred twelve thousand, three hundred ninety-eight".