3999246 has 8 divisors (see below), whose sum is σ = 7998504. Its totient is φ = 1333080.

The previous prime is 3999239. The next prime is 3999251. The reversal of 3999246 is 6429993.

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

3999246 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3999198 and 3999207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333265 + ... + 333276.

It is an arithmetic number, because the mean of its divisors is an integer number (999813).

Almost surely, 2^3999246 is an apocalyptic number.

3999246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3999246 is a wasteful number, since it uses less digits than its factorization.

3999246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666546.

The product of its digits is 104976, while the sum is 42.

The square root of 3999246 is about 1999.8114911161. The cubic root of 3999246 is about 158.7301304001.

The spelling of 3999246 in words is "three million, nine hundred ninety-nine thousand, two hundred forty-six".