38405358 has 12 divisors (see below), whose sum is σ = 83211648. Its totient is φ = 12801780.

The previous prime is 38405333. The next prime is 38405447. The reversal of 38405358 is 85350483.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1066798 + ... + 1066833.

It is an arithmetic number, because the mean of its divisors is an integer number (6934304).

Almost surely, 2^38405358 is an apocalyptic number.

38405358 is an abundant number, since it is smaller than the sum of its proper divisors (44806290).

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

38405358 is a wasteful number, since it uses less digits than its factorization.

38405358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133639 (or 2133636 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 38405358 is about 6197.2056606183. The cubic root of 38405358 is about 337.3887567528.

The spelling of 38405358 in words is "thirty-eight million, four hundred five thousand, three hundred fifty-eight".