5155438 has 8 divisors (see below), whose sum is σ = 7794432. Its totient is φ = 2557296.

The previous prime is 5155433. The next prime is 5155439. The reversal of 5155438 is 8345515.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155433) 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, 9895 + ... + 10402.

It is an arithmetic number, because the mean of its divisors is an integer number (974304).

Almost surely, 2^5155438 is an apocalyptic number.

5155438 is a deficient number, since it is larger than the sum of its proper divisors (2638994).

5155438 is a wasteful number, since it uses less digits than its factorization.

5155438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20426.

The product of its digits is 12000, while the sum is 31.

The square root of 5155438 is about 2270.5589620179. The cubic root of 5155438 is about 172.7515115652.

The spelling of 5155438 in words is "five million, one hundred fifty-five thousand, four hundred thirty-eight".