4140392 has 8 divisors (see below), whose sum is σ = 7763250. Its totient is φ = 2070192.

The previous prime is 4140379. The next prime is 4140397. The reversal of 4140392 is 2930414.

It can be written as a sum of positive squares in only one way, i.e., 2328676 + 1811716 = 1526^2 + 1346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4140397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258767 + ... + 258782.

Almost surely, 2^4140392 is an apocalyptic number.

It is an amenable number.

4140392 is a deficient number, since it is larger than the sum of its proper divisors (3622858).

4140392 is a wasteful number, since it uses less digits than its factorization.

4140392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517555 (or 517551 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4140392 is about 2034.7953214021. The cubic root of 4140392 is about 160.5759451407.

The spelling of 4140392 in words is "four million, one hundred forty thousand, three hundred ninety-two".