39109946 has 8 divisors (see below), whose sum is σ = 58752864. Its totient is φ = 19525660.

The previous prime is 39109943. The next prime is 39109949. The reversal of 39109946 is 64990193.

It is an interprime number because it is at equal distance from previous prime (39109943) and next prime (39109949).

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

It is a super-2 number, since 2×39109946² = 3059175752245832, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39109943) 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, 12950 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (7344108).

Almost surely, 2^39109946 is an apocalyptic number.

39109946 is a deficient number, since it is larger than the sum of its proper divisors (19642918).

39109946 is a wasteful number, since it uses less digits than its factorization.

39109946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29316.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 39109946 is about 6253.7945281245. The cubic root of 39109946 is about 339.4395206350.

The spelling of 39109946 in words is "thirty-nine million, one hundred nine thousand, nine hundred forty-six".