84292138 has 8 divisors (see below), whose sum is σ = 144500832. Its totient is φ = 36125196.

The previous prime is 84292133. The next prime is 84292147. The reversal of 84292138 is 83129248.

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

It is a super-2 number, since 2×84292138² = 14210329057222088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84292097 and 84292106.

It is not an unprimeable number, because it can be changed into a prime (84292133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010420 + ... + 3010447.

It is an arithmetic number, because the mean of its divisors is an integer number (18062604).

Almost surely, 2^84292138 is an apocalyptic number.

84292138 is a deficient number, since it is larger than the sum of its proper divisors (60208694).

84292138 is a wasteful number, since it uses less digits than its factorization.

84292138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020876.

The product of its digits is 27648, while the sum is 37.

The square root of 84292138 is about 9181.0749915247. The cubic root of 84292138 is about 438.4590344705.

The spelling of 84292138 in words is "eighty-four million, two hundred ninety-two thousand, one hundred thirty-eight".