3509994 has 8 divisors (see below), whose sum is σ = 7020000. Its totient is φ = 1169996.

The previous prime is 3509983. The next prime is 3509999. The reversal of 3509994 is 4999053.

It is a happy number.

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

3509994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3509999) 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 3 ways as a sum of consecutive naturals, for example, 292494 + ... + 292505.

It is an arithmetic number, because the mean of its divisors is an integer number (877500).

Almost surely, 2^3509994 is an apocalyptic number.

3509994 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.

3509994 is a wasteful number, since it uses less digits than its factorization.

3509994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585004.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 3509994 is about 1873.4977982373. The cubic root of 3509994 is about 151.9738239782.

The spelling of 3509994 in words is "three million, five hundred nine thousand, nine hundred ninety-four".