38207090 has 8 divisors (see below), whose sum is σ = 68772780. Its totient is φ = 15282832.

The previous prime is 38207089. The next prime is 38207093. The reversal of 38207090 is 9070283.

It can be written as a sum of positive squares in 2 ways, for example, as 36735721 + 1471369 = 6061^2 + 1213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38207093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910345 + ... + 1910364.

Almost surely, 2^38207090 is an apocalyptic number.

38207090 is a deficient number, since it is larger than the sum of its proper divisors (30565690).

38207090 is a wasteful number, since it uses less digits than its factorization.

38207090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820716.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 38207090 is about 6181.1883970641. The cubic root of 38207090 is about 336.8071639631.

The spelling of 38207090 in words is "thirty-eight million, two hundred seven thousand, ninety".