86906245 has 16 divisors (see below), whose sum is σ = 105945840. Its totient is φ = 68428800.

The previous prime is 86906231. The next prime is 86906263. The reversal of 86906245 is 54260968.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 18992164 + 67914081 = 4358^2 + 8241^2 .

It is not a de Polignac number, because 86906245 - 2⁷ = 86906117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86906198 and 86906207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98205 + ... + 99085.

It is an arithmetic number, because the mean of its divisors is an integer number (6621615).

Almost surely, 2^86906245 is an apocalyptic number.

It is an amenable number.

86906245 is a deficient number, since it is larger than the sum of its proper divisors (19039595).

86906245 is a wasteful number, since it uses less digits than its factorization.

86906245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 86906245 is about 9322.3519028194. The cubic root of 86906245 is about 442.9455352771.

The spelling of 86906245 in words is "eighty-six million, nine hundred six thousand, two hundred forty-five".