38203155 has 12 divisors (see below), whose sum is σ = 66218880. Its totient is φ = 20374992.

The previous prime is 38203133. The next prime is 38203169. The reversal of 38203155 is 55130283.

It is not a de Polignac number, because 38203155 - 2⁹ = 38202643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424435 + ... + 424524.

It is an arithmetic number, because the mean of its divisors is an integer number (5518240).

Almost surely, 2^38203155 is an apocalyptic number.

38203155 is a deficient number, since it is larger than the sum of its proper divisors (28015725).

38203155 is a wasteful number, since it uses less digits than its factorization.

38203155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848970 (or 848967 counting only the distinct ones).

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

The square root of 38203155 is about 6180.8700843813. The cubic root of 38203155 is about 336.7956008240.

The spelling of 38203155 in words is "thirty-eight million, two hundred three thousand, one hundred fifty-five".