427917026 has 4 divisors (see below), whose sum is σ = 641875542. Its totient is φ = 213958512.

The previous prime is 427917023. The next prime is 427917053. The reversal of 427917026 is 620719724.

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., 412699225 + 15217801 = 20315^2 + 3901^2 .

It is a super-2 number, since 2×427917026² = 366225962281369352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427917023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106979255 + ... + 106979258.

Almost surely, 2^427917026 is an apocalyptic number.

427917026 is a deficient number, since it is larger than the sum of its proper divisors (213958516).

427917026 is a wasteful number, since it uses less digits than its factorization.

427917026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213958515.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 427917026 is about 20686.1554185402. The cubic root of 427917026 is about 753.5635016443.

The spelling of 427917026 in words is "four hundred twenty-seven million, nine hundred seventeen thousand, twenty-six".