38155230 has 96 divisors (see below), whose sum is σ = 106647840. Its totient is φ = 9434880.

The previous prime is 38155223. The next prime is 38155253. The reversal of 38155230 is 3255183.

38155230 is a `hidden beast` number, since 3 + 81 + 552 + 30 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38155194 and 38155203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90420 + ... + 90840.

It is an arithmetic number, because the mean of its divisors is an integer number (1110915).

Almost surely, 2^38155230 is an apocalyptic number.

38155230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38155230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53323920).

38155230 is an abundant number, since it is smaller than the sum of its proper divisors (68492610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38155230 is a wasteful number, since it uses less digits than its factorization.

38155230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 38155230 is about 6176.9919863960. The cubic root of 38155230 is about 336.6547077193.

It can be divided in two parts, 3815 and 5230, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 38155230 in words is "thirty-eight million, one hundred fifty-five thousand, two hundred thirty".