38402216 has 16 divisors (see below), whose sum is σ = 72916800. Its totient is φ = 18957744.

The previous prime is 38402213. The next prime is 38402239. The reversal of 38402216 is 61220483.

It is not an unprimeable number, because it can be changed into a prime (38402213) 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, 29750 + ... + 31013.

It is an arithmetic number, because the mean of its divisors is an integer number (4557300).

Almost surely, 2^38402216 is an apocalyptic number.

It is an amenable number.

38402216 is a deficient number, since it is larger than the sum of its proper divisors (34514584).

38402216 is a wasteful number, since it uses less digits than its factorization.

38402216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60848 (or 60844 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 38402216 is about 6196.9521540835. The cubic root of 38402216 is about 337.3795557417.

Adding to 38402216 its reverse (61220483), we get a palindrome (99622699).

The spelling of 38402216 in words is "thirty-eight million, four hundred two thousand, two hundred sixteen".