3897297958 has 4 divisors (see below), whose sum is σ = 5845946940. Its totient is φ = 1948648978.

The previous prime is 3897297953. The next prime is 3897297967. The reversal of 3897297958 is 8597927983.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3897297893 and 3897297902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897297953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974324488 + ... + 974324491.

It is an arithmetic number, because the mean of its divisors is an integer number (1461486735).

Almost surely, 2^3897297958 is an apocalyptic number.

3897297958 is a deficient number, since it is larger than the sum of its proper divisors (1948648982).

3897297958 is a wasteful number, since it uses less digits than its factorization.

3897297958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948648981.

The product of its digits is 68584320, while the sum is 67.

The square root of 3897297958 is about 62428.3425857198. The cubic root of 3897297958 is about 1573.6973130989.

The spelling of 3897297958 in words is "three billion, eight hundred ninety-seven million, two hundred ninety-seven thousand, nine hundred fifty-eight".