39849545 has 16 divisors (see below), whose sum is σ = 48831552. Its totient is φ = 31212480.

The previous prime is 39849541. The next prime is 39849553. The reversal of 39849545 is 54594893.

It is not a de Polignac number, because 39849545 - 2² = 39849541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39849545.

It is not an unprimeable number, because it can be changed into a prime (39849541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53999 + ... + 54731.

It is an arithmetic number, because the mean of its divisors is an integer number (3051972).

Almost surely, 2^39849545 is an apocalyptic number.

It is an amenable number.

39849545 is a deficient number, since it is larger than the sum of its proper divisors (8982007).

39849545 is a wasteful number, since it uses less digits than its factorization.

39849545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its digits is 777600, while the sum is 47.

The square root of 39849545 is about 6312.6496021877. The cubic root of 39849545 is about 341.5658598764.

The spelling of 39849545 in words is "thirty-nine million, eight hundred forty-nine thousand, five hundred forty-five".