38698605 has 24 divisors (see below), whose sum is σ = 73176480. Its totient is φ = 18762720.

The previous prime is 38698603. The next prime is 38698607. The reversal of 38698605 is 50689683.

38698605 is a `hidden beast` number, since 38 + 6 + 9 + 8 + 605 = 666.

It is an interprime number because it is at equal distance from previous prime (38698603) and next prime (38698607).

It is not a de Polignac number, because 38698605 - 2¹ = 38698603 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38698601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38595 + ... + 39584.

It is an arithmetic number, because the mean of its divisors is an integer number (3049020).

Almost surely, 2^38698605 is an apocalyptic number.

It is an amenable number.

38698605 is a deficient number, since it is larger than the sum of its proper divisors (34477875).

38698605 is a wasteful number, since it uses less digits than its factorization.

38698605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78201 (or 78198 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 38698605 is about 6220.8202835317. The cubic root of 38698605 is about 338.2452994498.

The spelling of 38698605 in words is "thirty-eight million, six hundred ninety-eight thousand, six hundred five".