86938004 has 6 divisors (see below), whose sum is σ = 152141514. Its totient is φ = 43469000.

The previous prime is 86938001. The next prime is 86938031. The reversal of 86938004 is 40083968.

It can be written as a sum of positive squares in only one way, i.e., 49140100 + 37797904 = 7010^2 + 6148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86938001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10867247 + ... + 10867254.

It is an arithmetic number, because the mean of its divisors is an integer number (25356919).

Almost surely, 2^86938004 is an apocalyptic number.

It is an amenable number.

86938004 is a deficient number, since it is larger than the sum of its proper divisors (65203510).

86938004 is a wasteful number, since it uses less digits than its factorization.

86938004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21734505 (or 21734503 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 86938004 is about 9324.0551263922. The cubic root of 86938004 is about 442.9994853471. Note that the first 3 decimals are identical.

The spelling of 86938004 in words is "eighty-six million, nine hundred thirty-eight thousand, four".