3999154 has 8 divisors (see below), whose sum is σ = 6024348. Its totient is φ = 1991040.

The previous prime is 3999143. The next prime is 3999161. The reversal of 3999154 is 4519993.

3999154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3143529 + 855625 = 1773^2 + 925^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667 + ... + 4630.

Almost surely, 2^3999154 is an apocalyptic number.

3999154 is a deficient number, since it is larger than the sum of its proper divisors (2025194).

3999154 is a wasteful number, since it uses less digits than its factorization.

3999154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540.

The product of its digits is 43740, while the sum is 40.

The square root of 3999154 is about 1999.7884888158. The cubic root of 3999154 is about 158.7289132303.

The spelling of 3999154 in words is "three million, nine hundred ninety-nine thousand, one hundred fifty-four".