38696819 has 6 divisors (see below), whose sum is σ = 45014724. Its totient is φ = 33168660.

The previous prime is 38696761. The next prime is 38696869. The reversal of 38696819 is 91869683.

It is a de Polignac number, because none of the positive numbers 2^k-38696819 is a prime.

It is a super-2 number, since 2×38696819² = 2994887601437522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38696869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 394817 + ... + 394914.

It is an arithmetic number, because the mean of its divisors is an integer number (7502454).

Almost surely, 2^38696819 is an apocalyptic number.

38696819 is a deficient number, since it is larger than the sum of its proper divisors (6317905).

38696819 is an equidigital number, since it uses as much as digits as its factorization.

38696819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789745 (or 789738 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 38696819 is about 6220.6767316748. The cubic root of 38696819 is about 338.2400958565.

The spelling of 38696819 in words is "thirty-eight million, six hundred ninety-six thousand, eight hundred nineteen".