86523490 has 8 divisors (see below), whose sum is σ = 155742300. Its totient is φ = 34609392.

The previous prime is 86523467. The next prime is 86523509. The reversal of 86523490 is 9432568.

It can be written as a sum of positive squares in 2 ways, for example, as 79727041 + 6796449 = 8929^2 + 2607^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4326165 + ... + 4326184.

Almost surely, 2^86523490 is an apocalyptic number.

86523490 is a deficient number, since it is larger than the sum of its proper divisors (69218810).

86523490 is a wasteful number, since it uses less digits than its factorization.

86523490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652356.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 86523490 is about 9301.8003633705. The cubic root of 86523490 is about 442.2943004273.

The spelling of 86523490 in words is "eighty-six million, five hundred twenty-three thousand, four hundred ninety".