4012392 has 32 divisors (see below), whose sum is σ = 10356480. Its totient is φ = 1294080.

The previous prime is 4012381. The next prime is 4012441. The reversal of 4012392 is 2932104.

4012392 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953 + ... + 3440.

It is an arithmetic number, because the mean of its divisors is an integer number (323640).

Almost surely, 2^4012392 is an apocalyptic number.

It is an amenable number.

4012392 is an abundant number, since it is smaller than the sum of its proper divisors (6344088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4012392 is a wasteful number, since it uses less digits than its factorization.

4012392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433 (or 5429 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4012392 is about 2003.0956043085. The cubic root of 4012392 is about 158.9038618224.

Adding to 4012392 its reverse (2932104), we get a palindrome (6944496).

The spelling of 4012392 in words is "four million, twelve thousand, three hundred ninety-two".