427923698 has 4 divisors (see below), whose sum is σ = 641885550. Its totient is φ = 213961848.

The previous prime is 427923667. The next prime is 427923701. The reversal of 427923698 is 896329724.

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

It can be written as a sum of positive squares in only one way, i.e., 297804049 + 130119649 = 17257^2 + 11407^2 .

It is an unprimeable number.

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, 106980923 + ... + 106980926.

Almost surely, 2^427923698 is an apocalyptic number.

427923698 is a deficient number, since it is larger than the sum of its proper divisors (213961852).

427923698 is a wasteful number, since it uses less digits than its factorization.

427923698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213961851.

The product of its digits is 1306368, while the sum is 50.

The square root of 427923698 is about 20686.3166851907. The cubic root of 427923698 is about 753.5674180964.

The spelling of 427923698 in words is "four hundred twenty-seven million, nine hundred twenty-three thousand, six hundred ninety-eight".