4194939 has 12 divisors (see below), whose sum is σ = 6506664. Its totient is φ = 2397024.

The previous prime is 4194919. The next prime is 4194961. The reversal of 4194939 is 9394914.

It is not a de Polignac number, because 4194939 - 2⁵ = 4194907 is a prime.

4194939 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4194897 and 4194906.

It is not an unprimeable number, because it can be changed into a prime (4194919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14122 + ... + 14415.

It is an arithmetic number, because the mean of its divisors is an integer number (542222).

Almost surely, 2^4194939 is an apocalyptic number.

4194939 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4194939 is a deficient number, since it is larger than the sum of its proper divisors (2311725).

4194939 is a wasteful number, since it uses less digits than its factorization.

4194939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28554 (or 28547 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 4194939 is about 2048.1550234296. The cubic root of 4194939 is about 161.2780325040.

The spelling of 4194939 in words is "four million, one hundred ninety-four thousand, nine hundred thirty-nine".