39496745 has 4 divisors (see below), whose sum is σ = 47396100. Its totient is φ = 31597392.

The previous prime is 39496741. The next prime is 39496781. The reversal of 39496745 is 54769493.

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 2 ways, for example, as 30946969 + 8549776 = 5563^2 + 2924^2 .

It is a cyclic number.

It is not a de Polignac number, because 39496745 - 2² = 39496741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39496745.

It is not an unprimeable number, because it can be changed into a prime (39496741) 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, 3949670 + ... + 3949679.

It is an arithmetic number, because the mean of its divisors is an integer number (11849025).

Almost surely, 2^39496745 is an apocalyptic number.

It is an amenable number.

39496745 is a deficient number, since it is larger than the sum of its proper divisors (7899355).

39496745 is an equidigital number, since it uses as much as digits as its factorization.

39496745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899354.

The product of its digits is 816480, while the sum is 47.

The square root of 39496745 is about 6284.6435857573. The cubic root of 39496745 is about 340.5548753885.

The spelling of 39496745 in words is "thirty-nine million, four hundred ninety-six thousand, seven hundred forty-five".