84015245 has 8 divisors (see below), whose sum is σ = 106124640. Its totient is φ = 63674640.

The previous prime is 84015209. The next prime is 84015277. The reversal of 84015245 is 54251048.

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

It is not a de Polignac number, because 84015245 - 2⁸ = 84014989 is a prime.

It is a super-2 number, since 2×84015245² = 14117122784820050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442091 + ... + 442280.

It is an arithmetic number, because the mean of its divisors is an integer number (13265580).

Almost surely, 2^84015245 is an apocalyptic number.

It is an amenable number.

84015245 is a deficient number, since it is larger than the sum of its proper divisors (22109395).

84015245 is a wasteful number, since it uses less digits than its factorization.

84015245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884395.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 84015245 is about 9165.9830351141. The cubic root of 84015245 is about 437.9784067390.

The spelling of 84015245 in words is "eighty-four million, fifteen thousand, two hundred forty-five".