4155973 has 8 divisors (see below), whose sum is σ = 4432320. Its totient is φ = 3883200.

The previous prime is 4155929. The next prime is 4155989. The reversal of 4155973 is 3795514.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4155973 is a prime.

It is a super-2 number, since 2×4155973² = 34544223153458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155913) 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, 1758 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (554040).

Almost surely, 2^4155973 is an apocalyptic number.

It is an amenable number.

4155973 is a deficient number, since it is larger than the sum of its proper divisors (276347).

4155973 is a wasteful number, since it uses less digits than its factorization.

4155973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787.

The product of its digits is 18900, while the sum is 34.

The square root of 4155973 is about 2038.6203668167. The cubic root of 4155973 is about 160.7771178755. Note that the first 3 decimals are identical.

The spelling of 4155973 in words is "four million, one hundred fifty-five thousand, nine hundred seventy-three".