38913011 has 8 divisors (see below), whose sum is σ = 40342320. Its totient is φ = 37503648.

The previous prime is 38913001. The next prime is 38913013. The reversal of 38913011 is 11031983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38913011 is a prime.

It is a super-2 number, since 2×38913011² = 3028444850172242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38913013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956 + ... + 8873.

It is an arithmetic number, because the mean of its divisors is an integer number (5042790).

Almost surely, 2^38913011 is an apocalyptic number.

38913011 is a deficient number, since it is larger than the sum of its proper divisors (1429309).

38913011 is a wasteful number, since it uses less digits than its factorization.

38913011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 38913011 is about 6238.0294164103. The cubic root of 38913011 is about 338.8688214858.

Adding to 38913011 its reverse (11031983), we get a palindrome (49944994).

The spelling of 38913011 in words is "thirty-eight million, nine hundred thirteen thousand, eleven".