39934386 has 48 divisors (see below), whose sum is σ = 90904320. Its totient is φ = 12653280.

The previous prime is 39934379. The next prime is 39934393. The reversal of 39934386 is 68343993.

It is an interprime number because it is at equal distance from previous prime (39934379) and next prime (39934393).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32316 + ... + 33528.

It is an arithmetic number, because the mean of its divisors is an integer number (1893840).

Almost surely, 2^39934386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39934386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45452160).

39934386 is an abundant number, since it is smaller than the sum of its proper divisors (50969934).

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

39934386 is a wasteful number, since it uses less digits than its factorization.

39934386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1308 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 39934386 is about 6319.3659492072. The cubic root of 39934386 is about 341.8080897255.

The spelling of 39934386 in words is "thirty-nine million, nine hundred thirty-four thousand, three hundred eighty-six".