38229975 has 144 divisors (see below), whose sum is σ = 86661120. Its totient is φ = 16329600.

The previous prime is 38229959. The next prime is 38230009. The reversal of 38229975 is 57992283.

It is not a de Polignac number, because 38229975 - 2⁴ = 38229959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38229975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1233210 + ... + 1233240.

Almost surely, 2^38229975 is an apocalyptic number.

38229975 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38229975 is an abundant number, since it is smaller than the sum of its proper divisors (48431145).

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

38229975 is a wasteful number, since it uses less digits than its factorization.

38229975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 75 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 38229975 is about 6183.0393011851. The cubic root of 38229975 is about 336.8743966289.

It can be divided in two parts, 38229 and 975, that added together give a square (39204 = 198²).

The spelling of 38229975 in words is "thirty-eight million, two hundred twenty-nine thousand, nine hundred seventy-five".