4399154 has 4 divisors (see below), whose sum is σ = 6598734. Its totient is φ = 2199576.

The previous prime is 4399147. The next prime is 4399163. The reversal of 4399154 is 4519934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4519934 = 2 ⋅2259967.

It can be written as a sum of positive squares in only one way, i.e., 2798929 + 1600225 = 1673^2 + 1265^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099787 + ... + 1099790.

Almost surely, 2^4399154 is an apocalyptic number.

4399154 is a deficient number, since it is larger than the sum of its proper divisors (2199580).

4399154 is a wasteful number, since it uses less digits than its factorization.

4399154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199579.

The product of its digits is 19440, while the sum is 35.

The square root of 4399154 is about 2097.4160293084. The cubic root of 4399154 is about 163.8537512379.

The spelling of 4399154 in words is "four million, three hundred ninety-nine thousand, one hundred fifty-four".