38213704 has 8 divisors (see below), whose sum is σ = 71650710. Its totient is φ = 19106848.

The previous prime is 38213701. The next prime is 38213719. The reversal of 38213704 is 40731283.

It can be written as a sum of positive squares in only one way, i.e., 37576900 + 636804 = 6130^2 + 798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (38213701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2388349 + ... + 2388364.

Almost surely, 2^38213704 is an apocalyptic number.

It is an amenable number.

38213704 is a deficient number, since it is larger than the sum of its proper divisors (33437006).

38213704 is a wasteful number, since it uses less digits than its factorization.

38213704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776719 (or 4776715 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 38213704 is about 6181.7233842999. The cubic root of 38213704 is about 336.8265976516.

Adding to 38213704 its reverse (40731283), we get a palindrome (78944987).

The spelling of 38213704 in words is "thirty-eight million, two hundred thirteen thousand, seven hundred four".