38399763 has 4 divisors (see below), whose sum is σ = 51199688. Its totient is φ = 25599840.

The previous prime is 38399761. The next prime is 38399771. The reversal of 38399763 is 36799383.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36799383 = 3 ⋅12266461.

It is not a de Polignac number, because 38399763 - 2¹ = 38399761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38399761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6399958 + ... + 6399963.

It is an arithmetic number, because the mean of its divisors is an integer number (12799922).

Almost surely, 2^38399763 is an apocalyptic number.

38399763 is a deficient number, since it is larger than the sum of its proper divisors (12799925).

38399763 is a wasteful number, since it uses less digits than its factorization.

38399763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12799924.

The product of its digits is 734832, while the sum is 48.

The square root of 38399763 is about 6196.7542310471. The cubic root of 38399763 is about 337.3723720445.

The spelling of 38399763 in words is "thirty-eight million, three hundred ninety-nine thousand, seven hundred sixty-three".