84092040 has 64 divisors (see below), whose sum is σ = 280310400. Its totient is φ = 22424256.

The previous prime is 84092039. The next prime is 84092069. The reversal of 84092040 is 4029048.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 84091995 and 84092013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37852 + ... + 40011.

It is an arithmetic number, because the mean of its divisors is an integer number (4379850).

Almost surely, 2^84092040 is an apocalyptic number.

It is an amenable number.

84092040 is an abundant number, since it is smaller than the sum of its proper divisors (196218360).

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

84092040 is a wasteful number, since it uses less digits than its factorization.

84092040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77883 (or 77873 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 84092040 is about 9170.1712088706. The cubic root of 84092040 is about 438.1118123249. Note that the first 3 decimals are identical.

The spelling of 84092040 in words is "eighty-four million, ninety-two thousand, forty".