38695770 has 24 divisors (see below), whose sum is σ = 100609236. Its totient is φ = 10318848.

The previous prime is 38695753. The next prime is 38695771. The reversal of 38695770 is 7759683.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38526849 + 168921 = 6207^2 + 411^2 .

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 not an unprimeable number, because it can be changed into a prime (38695771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214887 + ... + 215066.

Almost surely, 2^38695770 is an apocalyptic number.

38695770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38695770 is an abundant number, since it is smaller than the sum of its proper divisors (61913466).

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

38695770 is a wasteful number, since it uses less digits than its factorization.

38695770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429966 (or 429963 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 38695770 is about 6220.5924155180. The cubic root of 38695770 is about 338.2370394721.

The spelling of 38695770 in words is "thirty-eight million, six hundred ninety-five thousand, seven hundred seventy".