4021292 has 12 divisors (see below), whose sum is σ = 7677096. Its totient is φ = 1827840.

The previous prime is 4021261. The next prime is 4021301. The reversal of 4021292 is 2921204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45653 + ... + 45740.

It is an arithmetic number, because the mean of its divisors is an integer number (639758).

Almost surely, 2^4021292 is an apocalyptic number.

It is an amenable number.

4021292 is a deficient number, since it is larger than the sum of its proper divisors (3655804).

4021292 is a wasteful number, since it uses less digits than its factorization.

4021292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91408 (or 91406 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4021292 is about 2005.3159352082. The cubic root of 4021292 is about 159.0212647745.

Adding to 4021292 its reverse (2921204), we get a palindrome (6942496).

It can be divided in two parts, 40212 and 92, that added together give a palindrome (40304).

The spelling of 4021292 in words is "four million, twenty-one thousand, two hundred ninety-two".