39530340 has 36 divisors (see below), whose sum is σ = 119909244. Its totient is φ = 10541376.

The previous prime is 39530339. The next prime is 39530347. The reversal of 39530340 is 4303593.

It can be written as a sum of positive squares in 2 ways, for example, as 8259876 + 31270464 = 2874^2 + 5592^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (39530347) 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, 109627 + ... + 109986.

Almost surely, 2^39530340 is an apocalyptic number.

39530340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39530340 is an abundant number, since it is smaller than the sum of its proper divisors (80378904).

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

39530340 is a wasteful number, since it uses less digits than its factorization.

39530340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219628 (or 219623 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 39530340 is about 6287.3158024709. The cubic root of 39530340 is about 340.6514040077.

The spelling of 39530340 in words is "thirty-nine million, five hundred thirty thousand, three hundred forty".