8219402 has 16 divisors (see below), whose sum is σ = 13074432. Its totient is φ = 3868560.

The previous prime is 8219401. The next prime is 8219411. The reversal of 8219402 is 2049128.

It is not an unprimeable number, because it can be changed into a prime (8219401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503 + ... + 4085.

It is an arithmetic number, because the mean of its divisors is an integer number (817152).

Almost surely, 2^8219402 is an apocalyptic number.

8219402 is a deficient number, since it is larger than the sum of its proper divisors (4855030).

8219402 is a wasteful number, since it uses less digits than its factorization.

8219402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8219402 is about 2866.9499472436. The cubic root of 8219402 is about 201.8118857805.

The spelling of 8219402 in words is "eight million, two hundred nineteen thousand, four hundred two".