86692740 has 96 divisors (see below), whose sum is σ = 253231104. Its totient is φ = 22135680.

The previous prime is 86692733. The next prime is 86692747. The reversal of 86692740 is 4729668.

It is an interprime number because it is at equal distance from previous prime (86692733) and next prime (86692747).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 86692692 and 86692701.

It is not an unprimeable number, because it can be changed into a prime (86692747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236037 + ... + 236403.

It is an arithmetic number, because the mean of its divisors is an integer number (2637824).

Almost surely, 2^86692740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86692740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126615552).

86692740 is an abundant number, since it is smaller than the sum of its proper divisors (166538364).

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

86692740 is a wasteful number, since it uses less digits than its factorization.

86692740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 86692740 is about 9310.8936198412. The cubic root of 86692740 is about 442.5825056025.

The spelling of 86692740 in words is "eighty-six million, six hundred ninety-two thousand, seven hundred forty".