34028155 has 32 divisors (see below), whose sum is σ = 49932288. Its totient is φ = 21753600.

The previous prime is 34028143. The next prime is 34028209. The reversal of 34028155 is 55182043.

It is not a de Polignac number, because 34028155 - 2²⁵ = 473723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32490 + ... + 33520.

It is an arithmetic number, because the mean of its divisors is an integer number (1560384).

Almost surely, 2^34028155 is an apocalyptic number.

34028155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

34028155 is a deficient number, since it is larger than the sum of its proper divisors (15904133).

34028155 is a wasteful number, since it uses less digits than its factorization.

34028155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 34028155 is about 5833.3656665771. The cubic root of 34028155 is about 324.0505782698.

The spelling of 34028155 in words is "thirty-four million, twenty-eight thousand, one hundred fifty-five".