40348339 has 4 divisors (see below), whose sum is σ = 40571440. Its totient is φ = 40125240.

The previous prime is 40348331. The next prime is 40348379. The reversal of 40348339 is 93384304.

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

It is a cyclic number.

It is not a de Polignac number, because 40348339 - 2³ = 40348331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40348331) 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, 111279 + ... + 111640.

It is an arithmetic number, because the mean of its divisors is an integer number (10142860).

Almost surely, 2^40348339 is an apocalyptic number.

40348339 is a deficient number, since it is larger than the sum of its proper divisors (223101).

40348339 is a wasteful number, since it uses less digits than its factorization.

40348339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223100.

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

The square root of 40348339 is about 6352.0342410916. The cubic root of 40348339 is about 342.9850735967.

The spelling of 40348339 in words is "forty million, three hundred forty-eight thousand, three hundred thirty-nine".