4151972 has 24 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 1873760.

The previous prime is 4151971. The next prime is 4151977. The reversal of 4151972 is 2791514.

It is not an unprimeable number, because it can be changed into a prime (4151971) 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 in 7 ways as a sum of consecutive naturals, for example, 8429 + ... + 8907.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^4151972 is an apocalyptic number.

It is an amenable number.

4151972 is a deficient number, since it is larger than the sum of its proper divisors (3831388).

4151972 is a wasteful number, since it uses less digits than its factorization.

4151972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 689 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 4151972 is about 2037.6388296261. The cubic root of 4151972 is about 160.7255073552.

The spelling of 4151972 in words is "four million, one hundred fifty-one thousand, nine hundred seventy-two".