38211995 has 16 divisors (see below), whose sum is σ = 48971520. Its totient is φ = 28560000.

The previous prime is 38211991. The next prime is 38212003. The reversal of 38211995 is 59911283.

It is not a de Polignac number, because 38211995 - 2² = 38211991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38211991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245 + ... + 8745.

It is an arithmetic number, because the mean of its divisors is an integer number (3060720).

Almost surely, 2^38211995 is an apocalyptic number.

38211995 is a deficient number, since it is larger than the sum of its proper divisors (10759525).

38211995 is a wasteful number, since it uses less digits than its factorization.

38211995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566.

The product of its digits is 19440, while the sum is 38.

The square root of 38211995 is about 6181.5851526934. The cubic root of 38211995 is about 336.8215763706.

The spelling of 38211995 in words is "thirty-eight million, two hundred eleven thousand, nine hundred ninety-five".