39949034 has 4 divisors (see below), whose sum is σ = 59923554. Its totient is φ = 19974516.

The previous prime is 39949033. The next prime is 39949057. The reversal of 39949034 is 43094993.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32092225 + 7856809 = 5665^2 + 2803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39948982 and 39949000.

It is not an unprimeable number, because it can be changed into a prime (39949033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9987257 + ... + 9987260.

Almost surely, 2^39949034 is an apocalyptic number.

39949034 is a deficient number, since it is larger than the sum of its proper divisors (19974520).

39949034 is a wasteful number, since it uses less digits than its factorization.

39949034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19974519.

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

The square root of 39949034 is about 6320.5248199813. The cubic root of 39949034 is about 341.8498765443.

The spelling of 39949034 in words is "thirty-nine million, nine hundred forty-nine thousand, thirty-four".