39941473 has 8 divisors (see below), whose sum is σ = 46924416. Its totient is φ = 33517200.

The previous prime is 39941471. The next prime is 39941479. The reversal of 39941473 is 37414993.

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 39941473 - 2¹ = 39941471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39941471) 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, 139513 + ... + 139798.

It is an arithmetic number, because the mean of its divisors is an integer number (5865552).

Almost surely, 2^39941473 is an apocalyptic number.

It is an amenable number.

39941473 is a deficient number, since it is larger than the sum of its proper divisors (6982943).

39941473 is a wasteful number, since it uses less digits than its factorization.

39941473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279335.

The product of its digits is 81648, while the sum is 40.

The square root of 39941473 is about 6319.9266609669. The cubic root of 39941473 is about 341.8283083131.

The spelling of 39941473 in words is "thirty-nine million, nine hundred forty-one thousand, four hundred seventy-three".