39448734 has 32 divisors (see below), whose sum is σ = 87269280. Its totient is φ = 11809152.

The previous prime is 39448733. The next prime is 39448751. The reversal of 39448734 is 43784493.

It is a super-3 number, since 3×39448734³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39448733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3949 + ... + 9720.

It is an arithmetic number, because the mean of its divisors is an integer number (2727165).

Almost surely, 2^39448734 is an apocalyptic number.

39448734 is an abundant number, since it is smaller than the sum of its proper divisors (47820546).

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

39448734 is a wasteful number, since it uses less digits than its factorization.

39448734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13724.

The product of its digits is 290304, while the sum is 42.

The square root of 39448734 is about 6280.8227168103. The cubic root of 39448734 is about 340.4168301766.

The spelling of 39448734 in words is "thirty-nine million, four hundred forty-eight thousand, seven hundred thirty-four".