39434416 has 60 divisors (see below), whose sum is σ = 89692920. Its totient is φ = 16746240.

The previous prime is 39434399. The next prime is 39434419. The reversal of 39434416 is 61443493.

It is a super-2 number, since 2×39434416² = 3110146330522112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39434419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140196 + ... + 140476.

It is an arithmetic number, because the mean of its divisors is an integer number (1494882).

Almost surely, 2^39434416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39434416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44846460).

39434416 is an abundant number, since it is smaller than the sum of its proper divisors (50258504).

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

39434416 is a wasteful number, since it uses less digits than its factorization.

39434416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 469 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 39434416 is about 6279.6827945367. The cubic root of 39434416 is about 340.3756401941.

The spelling of 39434416 in words is "thirty-nine million, four hundred thirty-four thousand, four hundred sixteen".