84415061 has 4 divisors (see below), whose sum is σ = 86007852. Its totient is φ = 82822272.

The previous prime is 84415057. The next prime is 84415087. The reversal of 84415061 is 16051448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45900625 + 38514436 = 6775^2 + 6206^2 .

It is a cyclic number.

It is not a de Polignac number, because 84415061 - 2² = 84415057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84415031) 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, 796316 + ... + 796421.

It is an arithmetic number, because the mean of its divisors is an integer number (21501963).

Almost surely, 2^84415061 is an apocalyptic number.

It is an amenable number.

84415061 is a deficient number, since it is larger than the sum of its proper divisors (1592791).

84415061 is a wasteful number, since it uses less digits than its factorization.

84415061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592790.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 84415061 is about 9187.7669212927. The cubic root of 84415061 is about 438.6720654966.

The spelling of 84415061 in words is "eighty-four million, four hundred fifteen thousand, sixty-one".