3999470 has 16 divisors (see below), whose sum is σ = 7512480. Its totient is φ = 1530144.

The previous prime is 3999467. The next prime is 3999487. The reversal of 3999470 is 749993.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 8465 + ... + 8924.

It is an arithmetic number, because the mean of its divisors is an integer number (469530).

Almost surely, 2^3999470 is an apocalyptic number.

3999470 is a deficient number, since it is larger than the sum of its proper divisors (3513010).

3999470 is a wasteful number, since it uses less digits than its factorization.

3999470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17419.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 3999470 is about 1999.8674956106. The cubic root of 3999470 is about 158.7330938658.

The spelling of 3999470 in words is "three million, nine hundred ninety-nine thousand, four hundred seventy".