39946263 has 8 divisors (see below), whose sum is σ = 60870528. Its totient is φ = 22826424.

The previous prime is 39946261. The next prime is 39946267. The reversal of 39946263 is 36264993.

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

It is not a de Polignac number, because 39946263 - 2¹ = 39946261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39946261) 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, 951081 + ... + 951122.

It is an arithmetic number, because the mean of its divisors is an integer number (7608816).

Almost surely, 2^39946263 is an apocalyptic number.

39946263 is a deficient number, since it is larger than the sum of its proper divisors (20924265).

39946263 is a wasteful number, since it uses less digits than its factorization.

39946263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902213.

The product of its digits is 209952, while the sum is 42.

The square root of 39946263 is about 6320.3056096996. The cubic root of 39946263 is about 341.8419724073.

The spelling of 39946263 in words is "thirty-nine million, nine hundred forty-six thousand, two hundred sixty-three".