3940547354 has 8 divisors (see below), whose sum is σ = 5912467860. Its totient is φ = 1969724736.

The previous prime is 3940547353. The next prime is 3940547363. The reversal of 3940547354 is 4537450493.

It can be written as a sum of positive squares in 2 ways, for example, as 2216055625 + 1724491729 = 47075^2 + 41527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3940547353) 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, 265439 + ... + 279890.

Almost surely, 2^3940547354 is an apocalyptic number.

3940547354 is a deficient number, since it is larger than the sum of its proper divisors (1971920506).

3940547354 is a wasteful number, since it uses less digits than its factorization.

3940547354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548944.

The product of its (nonzero) digits is 907200, while the sum is 44.

The square root of 3940547354 is about 62773.7791916338. The cubic root of 3940547354 is about 1579.4971633343.

The spelling of 3940547354 in words is "three billion, nine hundred forty million, five hundred forty-seven thousand, three hundred fifty-four".