3155427 has 12 divisors (see below), whose sum is σ = 4972344. Its totient is φ = 1912320.

The previous prime is 3155417. The next prime is 3155429. The reversal of 3155427 is 7245513.

It is a happy number.

It is not a de Polignac number, because 3155427 - 2⁶ = 3155363 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3⁸ + 1 + 5 + 5⁵ + 4¹⁰ + 2²¹ + 7 .

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 3155427.

It is not an unprimeable number, because it can be changed into a prime (3155429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15838 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (414362).

Almost surely, 2^3155427 is an apocalyptic number.

3155427 is a deficient number, since it is larger than the sum of its proper divisors (1816917).

3155427 is a wasteful number, since it uses less digits than its factorization.

3155427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31890 (or 31887 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 3155427 is about 1776.3521610311. The cubic root of 3155427 is about 146.6738569707.

The spelling of 3155427 in words is "three million, one hundred fifty-five thousand, four hundred twenty-seven".