427198502 has 4 divisors (see below), whose sum is σ = 640797756. Its totient is φ = 213599250.

The previous prime is 427198501. The next prime is 427198523. The reversal of 427198502 is 205891724.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×427198502² = 364997120222088008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427198501) 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 as a sum of consecutive naturals, namely, 106799624 + ... + 106799627.

It is an arithmetic number, because the mean of its divisors is an integer number (160199439).

Almost surely, 2^427198502 is an apocalyptic number.

427198502 is a deficient number, since it is larger than the sum of its proper divisors (213599254).

427198502 is a wasteful number, since it uses less digits than its factorization.

427198502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213599253.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 427198502 is about 20668.7808542255. The cubic root of 427198502 is about 753.1414908598.

The spelling of 427198502 in words is "four hundred twenty-seven million, one hundred ninety-eight thousand, five hundred two".