86493908 has 6 divisors (see below), whose sum is σ = 151364346. Its totient is φ = 43246952.

The previous prime is 86493907. The next prime is 86493917. The reversal of 86493908 is 80939468.

It can be written as a sum of positive squares in only one way, i.e., 84676804 + 1817104 = 9202^2 + 1348^2 .

It is a super-2 number, since 2×86493908² = 14962392242224928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86493907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10811735 + ... + 10811742.

It is an arithmetic number, because the mean of its divisors is an integer number (25227391).

Almost surely, 2^86493908 is an apocalyptic number.

It is an amenable number.

86493908 is a deficient number, since it is larger than the sum of its proper divisors (64870438).

86493908 is a wasteful number, since it uses less digits than its factorization.

86493908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21623481 (or 21623479 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 86493908 is about 9300.2101051535. The cubic root of 86493908 is about 442.2438885241.

The spelling of 86493908 in words is "eighty-six million, four hundred ninety-three thousand, nine hundred eight".