86738490 has 24 divisors (see below), whose sum is σ = 225520308. Its totient is φ = 23130240.

The previous prime is 86738489. The next prime is 86738503. The reversal of 86738490 is 9483768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79334649 + 7403841 = 8907^2 + 2721^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481791 + ... + 481970.

Almost surely, 2^86738490 is an apocalyptic number.

86738490 is an abundant number, since it is smaller than the sum of its proper divisors (138781818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86738490 is a wasteful number, since it uses less digits than its factorization.

86738490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963774 (or 963771 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 86738490 is about 9313.3500954275. The cubic root of 86738490 is about 442.6603459878.

The spelling of 86738490 in words is "eighty-six million, seven hundred thirty-eight thousand, four hundred ninety".