84240794 has 24 divisors (see below), whose sum is σ = 145499328. Its totient is φ = 36272520.

The previous prime is 84240787. The next prime is 84240799. The reversal of 84240794 is 49704248.

It is a super-2 number, since 2×84240794² = 14193022747500872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (84240799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2639 + ... + 13245.

It is an arithmetic number, because the mean of its divisors is an integer number (6062472).

Almost surely, 2^84240794 is an apocalyptic number.

84240794 is a deficient number, since it is larger than the sum of its proper divisors (61258534).

84240794 is a wasteful number, since it uses less digits than its factorization.

84240794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10658 (or 10639 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 84240794 is about 9178.2783788682. The cubic root of 84240794 is about 438.3699917134.

The spelling of 84240794 in words is "eighty-four million, two hundred forty thousand, seven hundred ninety-four".