39399234 has 48 divisors (see below), whose sum is σ = 97067808. Its totient is φ = 10593408.

The previous prime is 39399211. The next prime is 39399247. The reversal of 39399234 is 43299393.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon 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, 1057 + ... + 8939.

It is an arithmetic number, because the mean of its divisors is an integer number (2022246).

Almost surely, 2^39399234 is an apocalyptic number.

39399234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39399234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48533904).

39399234 is an abundant number, since it is smaller than the sum of its proper divisors (57668574).

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

39399234 is a wasteful number, since it uses less digits than its factorization.

39399234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919 (or 7912 counting only the distinct ones).

The product of its digits is 157464, while the sum is 42.

The square root of 39399234 is about 6276.8809133199. The cubic root of 39399234 is about 340.2743863487.

The spelling of 39399234 in words is "thirty-nine million, three hundred ninety-nine thousand, two hundred thirty-four".