39340349 has 4 divisors (see below), whose sum is σ = 39377436. Its totient is φ = 39303264.

The previous prime is 39340337. The next prime is 39340381. The reversal of 39340349 is 94304393.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37295449 + 2044900 = 6107^2 + 1430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39340349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39340549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16904 + ... + 19089.

It is an arithmetic number, because the mean of its divisors is an integer number (9844359).

Almost surely, 2^39340349 is an apocalyptic number.

It is an amenable number.

39340349 is a deficient number, since it is larger than the sum of its proper divisors (37087).

39340349 is a wasteful number, since it uses less digits than its factorization.

39340349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37086.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 39340349 is about 6272.1885335184. The cubic root of 39340349 is about 340.1047802779.

The spelling of 39340349 in words is "thirty-nine million, three hundred forty thousand, three hundred forty-nine".