4023972 has 96 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 1213056.

The previous prime is 4023947. The next prime is 4023973. The reversal of 4023972 is 2793204.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4023973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75898 + ... + 75950.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

Almost surely, 2^4023972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4023972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745600).

4023972 is an abundant number, since it is smaller than the sum of its proper divisors (7467228).

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

4023972 is a wasteful number, since it uses less digits than its factorization.

4023972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4023972 is about 2005.9840477930. The cubic root of 4023972 is about 159.0565836347.

The spelling of 4023972 in words is "four million, twenty-three thousand, nine hundred seventy-two".