8380155 has 16 divisors (see below), whose sum is σ = 15323904. Its totient is φ = 3830880.

The previous prime is 8380139. The next prime is 8380213. The reversal of 8380155 is 5510838.

It is a happy number.

It is not a de Polignac number, because 8380155 - 2⁴ = 8380139 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39801 + ... + 40010.

It is an arithmetic number, because the mean of its divisors is an integer number (957744).

Almost surely, 2^8380155 is an apocalyptic number.

8380155 is a deficient number, since it is larger than the sum of its proper divisors (6943749).

8380155 is a wasteful number, since it uses less digits than its factorization.

8380155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79826.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 8380155 is about 2894.8497370330. The cubic root of 8380155 is about 203.1190627061.

The spelling of 8380155 in words is "eight million, three hundred eighty thousand, one hundred fifty-five".