84274641 has 32 divisors (see below), whose sum is σ = 139900800. Its totient is φ = 49688640.

The previous prime is 84274607. The next prime is 84274643. The reversal of 84274641 is 14647248.

84274641 is a `hidden beast` number, since 8 + 4 + 2 + 7 + 4 + 641 = 666.

It is not a de Polignac number, because 84274641 - 2¹⁰ = 84273617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84274596 and 84274605.

It is not an unprimeable number, because it can be changed into a prime (84274643) 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, 7155 + ... + 14823.

It is an arithmetic number, because the mean of its divisors is an integer number (4371900).

Almost surely, 2^84274641 is an apocalyptic number.

It is an amenable number.

84274641 is a deficient number, since it is larger than the sum of its proper divisors (55626159).

84274641 is a wasteful number, since it uses less digits than its factorization.

84274641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726 (or 7720 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 84274641 is about 9180.1220580121. The cubic root of 84274641 is about 438.4286945567.

The spelling of 84274641 in words is "eighty-four million, two hundred seventy-four thousand, six hundred forty-one".