8403434 has 16 divisors (see below), whose sum is σ = 14290080. Its totient is φ = 3674160.

The previous prime is 8403431. The next prime is 8403481. The reversal of 8403434 is 4343048.

It is a happy number.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8403431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8012 + ... + 8999.

It is an arithmetic number, because the mean of its divisors is an integer number (893130).

Almost surely, 2^8403434 is an apocalyptic number.

8403434 is a deficient number, since it is larger than the sum of its proper divisors (5886646).

8403434 is a wasteful number, since it uses less digits than its factorization.

8403434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 8403434 is about 2898.8677099861. The cubic root of 8403434 is about 203.3069684231.

The spelling of 8403434 in words is "eight million, four hundred three thousand, four hundred thirty-four".