3940547338 has 16 divisors (see below), whose sum is σ = 7274856960. Its totient is φ = 1558897776.

The previous prime is 3940547329. The next prime is 3940547339. The reversal of 3940547338 is 8337450493.

It is not an unprimeable number, because it can be changed into a prime (3940547339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10825498 + ... + 10825861.

It is an arithmetic number, because the mean of its divisors is an integer number (454678560).

Almost surely, 2^3940547338 is an apocalyptic number.

3940547338 is a deficient number, since it is larger than the sum of its proper divisors (3334309622).

3940547338 is a wasteful number, since it uses less digits than its factorization.

3940547338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21651381.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The square root of 3940547338 is about 62773.7790641921. The cubic root of 3940547338 is about 1579.4971611965.

The spelling of 3940547338 in words is "three billion, nine hundred forty million, five hundred forty-seven thousand, three hundred thirty-eight".