8434790 has 96 divisors (see below), whose sum is σ = 20238336. Its totient is φ = 2471040.

The previous prime is 8434787. The next prime is 8434793. The reversal of 8434790 is 974348.

It is an interprime number because it is at equal distance from previous prime (8434787) and next prime (8434793).

It is a super-2 number, since 2×8434790² = 142291364688200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 8434790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272075 + ... + 272105.

It is an arithmetic number, because the mean of its divisors is an integer number (210816).

Almost surely, 2^8434790 is an apocalyptic number.

8434790 is an abundant number, since it is smaller than the sum of its proper divisors (11803546).

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

8434790 is a wasteful number, since it uses less digits than its factorization.

8434790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 8434790 is about 2904.2709928655. The cubic root of 8434790 is about 203.5595231426.

The spelling of 8434790 in words is "eight million, four hundred thirty-four thousand, seven hundred ninety".