39845106 has 72 divisors (see below), whose sum is σ = 102865152. Its totient is φ = 10908000.

The previous prime is 39845089. The next prime is 39845123. The reversal of 39845106 is 60154893.

It is an interprime number because it is at equal distance from previous prime (39845089) and next prime (39845123).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 394456 + ... + 394556.

Almost surely, 2^39845106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39845106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51432576).

39845106 is an abundant number, since it is smaller than the sum of its proper divisors (63020046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39845106 is a wasteful number, since it uses less digits than its factorization.

39845106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 39845106 is about 6312.2979967679. The cubic root of 39845106 is about 341.5531766103.

Adding to 39845106 its reverse (60154893), we get a palindrome (99999999).

The spelling of 39845106 in words is "thirty-nine million, eight hundred forty-five thousand, one hundred six".