37838869 has 2 divisors, whose sum is σ = 37838870. Its totient is φ = 37838868.

The previous prime is 37838837. The next prime is 37838897. The reversal of 37838869 is 96883873.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25623844 + 12215025 = 5062^2 + 3495^2 .

It is a cyclic number.

It is not a de Polignac number, because 37838869 - 2⁵ = 37838837 is a prime.

It is a super-2 number, since 2×37838869² = 2863560014398322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37839869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18919434 + 18919435.

It is an arithmetic number, because the mean of its divisors is an integer number (18919435).

Almost surely, 2^37838869 is an apocalyptic number.

It is an amenable number.

37838869 is a deficient number, since it is larger than the sum of its proper divisors (1).

37838869 is an equidigital number, since it uses as much as digits as its factorization.

37838869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The square root of 37838869 is about 6151.3306690504. The cubic root of 37838869 is about 335.7216758122.

The spelling of 37838869 in words is "thirty-seven million, eight hundred thirty-eight thousand, eight hundred sixty-nine".