4291972 has 12 divisors (see below), whose sum is σ = 7526736. Its totient is φ = 2141480.

The previous prime is 4291949. The next prime is 4291979. The reversal of 4291972 is 2791924.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4291979) 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, 1947 + ... + 3517.

It is an arithmetic number, because the mean of its divisors is an integer number (627228).

Almost surely, 2^4291972 is an apocalyptic number.

It is an amenable number.

4291972 is a deficient number, since it is larger than the sum of its proper divisors (3234764).

4291972 is a wasteful number, since it uses less digits than its factorization.

4291972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2256 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 4291972 is about 2071.7075083129. The cubic root of 4291972 is about 162.5120716870.

It can be divided in two parts, 429 and 1972, that added together give a 4-th power (2401 = 7⁴).

The spelling of 4291972 in words is "four million, two hundred ninety-one thousand, nine hundred seventy-two".