38409007 has 8 divisors (see below), whose sum is σ = 47272736. Its totient is φ = 30389472.

The previous prime is 38408977. The next prime is 38409029. The reversal of 38409007 is 70090483.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38409007 - 2⁷ = 38408879 is a prime.

It is the 6198-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 38409007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38409067) by changing a digit.

It is a nontrivial repunit in base 6197.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210948 + ... + 211129.

It is an arithmetic number, because the mean of its divisors is an integer number (5909092).

Almost surely, 2^38409007 is an apocalyptic number.

38409007 is a deficient number, since it is larger than the sum of its proper divisors (8863729).

38409007 is a wasteful number, since it uses less digits than its factorization.

38409007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422097.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 38409007 is about 6197.5000605083. The cubic root of 38409007 is about 337.3994418295.

The spelling of 38409007 in words is "thirty-eight million, four hundred nine thousand, seven".