3843529397 has 4 divisors (see below), whose sum is σ = 3873793536. Its totient is φ = 3813265260.

The previous prime is 3843529381. The next prime is 3843529411. The reversal of 3843529397 is 7939253483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3843529397 - 2⁴ = 3843529381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843529307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15131879 + ... + 15132132.

It is an arithmetic number, because the mean of its divisors is an integer number (968448384).

Almost surely, 2^3843529397 is an apocalyptic number.

It is an amenable number.

3843529397 is a deficient number, since it is larger than the sum of its proper divisors (30264139).

3843529397 is a wasteful number, since it uses less digits than its factorization.

3843529397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30264138.

The product of its digits is 4898880, while the sum is 53.

The square root of 3843529397 is about 61996.2046983523. The cubic root of 3843529397 is about 1566.4266707418.

The spelling of 3843529397 in words is "three billion, eight hundred forty-three million, five hundred twenty-nine thousand, three hundred ninety-seven".