4393949 has 8 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 3740400.

The previous prime is 4393933. The next prime is 4393957. The reversal of 4393949 is 9493934.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4393949 - 2⁴ = 4393933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4393919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

Almost surely, 2^4393949 is an apocalyptic number.

It is an amenable number.

4393949 is a deficient number, since it is larger than the sum of its proper divisors (662179).

4393949 is a wasteful number, since it uses less digits than its factorization.

4393949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315.

The product of its digits is 104976, while the sum is 41.

The square root of 4393949 is about 2096.1748495772. The cubic root of 4393949 is about 163.7891027958.

The spelling of 4393949 in words is "four million, three hundred ninety-three thousand, nine hundred forty-nine".