4099951 has 8 divisors (see below), whose sum is σ = 4241664. Its totient is φ = 3960600.

The previous prime is 4099943. The next prime is 4099961. The reversal of 4099951 is 1599904.

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

It is a cyclic number.

It is not a de Polignac number, because 4099951 - 2³ = 4099943 is a prime.

It is a Duffinian number.

4099951 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4099951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3376 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (530208).

Almost surely, 2^4099951 is an apocalyptic number.

4099951 is a deficient number, since it is larger than the sum of its proper divisors (141713).

4099951 is a wasteful number, since it uses less digits than its factorization.

4099951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 4099951 is about 2024.8335734079. The cubic root of 4099951 is about 160.0514287800.

It can be divided in two parts, 4099 and 951, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4099951 in words is "four million, ninety-nine thousand, nine hundred fifty-one".