3899433 has 4 divisors (see below), whose sum is σ = 5199248. Its totient is φ = 2599620.

The previous prime is 3899429. The next prime is 3899453. The reversal of 3899433 is 3349983.

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 not a de Polignac number, because 3899433 - 2² = 3899429 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 3899391 and 3899400.

It is not an unprimeable number, because it can be changed into a prime (3899453) 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, 649903 + ... + 649908.

It is an arithmetic number, because the mean of its divisors is an integer number (1299812).

Almost surely, 2^3899433 is an apocalyptic number.

It is an amenable number.

3899433 is a deficient number, since it is larger than the sum of its proper divisors (1299815).

3899433 is a wasteful number, since it uses less digits than its factorization.

3899433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299814.

The product of its digits is 69984, while the sum is 39.

The square root of 3899433 is about 1974.6982047898. The cubic root of 3899433 is about 157.3984631521.

The spelling of 3899433 in words is "three million, eight hundred ninety-nine thousand, four hundred thirty-three".