4239155 has 8 divisors (see below), whose sum is σ = 5205552. Its totient is φ = 3312288.

The previous prime is 4239149. The next prime is 4239161. The reversal of 4239155 is 5519324.

4239155 = T₂₇₀ + T₂₇₁ + ... + T₃₅₅.

It is an interprime number because it is at equal distance from previous prime (4239149) and next prime (4239161).

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

It is a cyclic number.

It is not a de Polignac number, because 4239155 - 2¹⁸ = 3977011 is a prime.

It is a super-2 number, since 2×4239155² = 35940870228050, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 9644 + ... + 10073.

It is an arithmetic number, because the mean of its divisors is an integer number (650694).

Almost surely, 2^4239155 is an apocalyptic number.

4239155 is a deficient number, since it is larger than the sum of its proper divisors (966397).

4239155 is a wasteful number, since it uses less digits than its factorization.

4239155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19765.

The product of its digits is 5400, while the sum is 29.

The square root of 4239155 is about 2058.9208338350. The cubic root of 4239155 is about 161.8426939202.

The spelling of 4239155 in words is "four million, two hundred thirty-nine thousand, one hundred fifty-five".