3897352742 has 4 divisors (see below), whose sum is σ = 5846029116. Its totient is φ = 1948676370.

The previous prime is 3897352651. The next prime is 3897352817. The reversal of 3897352742 is 2472537983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2472537983 = 233 ⋅10611751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974338184 + ... + 974338187.

It is an arithmetic number, because the mean of its divisors is an integer number (1461507279).

Almost surely, 2^3897352742 is an apocalyptic number.

3897352742 is a deficient number, since it is larger than the sum of its proper divisors (1948676374).

3897352742 is a wasteful number, since it uses less digits than its factorization.

3897352742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948676373.

The product of its digits is 2540160, while the sum is 50.

The square root of 3897352742 is about 62428.7813592417. The cubic root of 3897352742 is about 1573.7046868427.

The spelling of 3897352742 in words is "three billion, eight hundred ninety-seven million, three hundred fifty-two thousand, seven hundred forty-two".