38905230 has 64 divisors (see below), whose sum is σ = 114928128. Its totient is φ = 8208000.

The previous prime is 38905219. The next prime is 38905247. The reversal of 38905230 is 3250983.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

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, 4396 + ... + 9855.

It is an arithmetic number, because the mean of its divisors is an integer number (1795752).

Almost surely, 2^38905230 is an apocalyptic number.

38905230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38905230 is an abundant number, since it is smaller than the sum of its proper divisors (76022898).

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

38905230 is a wasteful number, since it uses less digits than its factorization.

38905230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14281.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 38905230 is about 6237.4057107102. The cubic root of 38905230 is about 338.8462333763.

The spelling of 38905230 in words is "thirty-eight million, nine hundred five thousand, two hundred thirty".