7798434 has 16 divisors (see below), whose sum is σ = 17825088. Its totient is φ = 2228112.

The previous prime is 7798421. The next prime is 7798457. The reversal of 7798434 is 4348977.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 185677 = 7798434 / (7 + 7 + 9 + 8 + 4 + 3 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92797 + ... + 92880.

It is an arithmetic number, because the mean of its divisors is an integer number (1114068).

Almost surely, 2^7798434 is an apocalyptic number.

7798434 is an abundant number, since it is smaller than the sum of its proper divisors (10026654).

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

7798434 is a wasteful number, since it uses less digits than its factorization.

7798434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185689.

The product of its digits is 169344, while the sum is 42.

The square root of 7798434 is about 2792.5676357073. The cubic root of 7798434 is about 198.3059752455.

The spelling of 7798434 in words is "seven million, seven hundred ninety-eight thousand, four hundred thirty-four".