427669366 has 16 divisors (see below), whose sum is σ = 697052160. Its totient is φ = 196044840.

The previous prime is 427669339. The next prime is 427669367. The reversal of 427669366 is 663966724.

It is a super-2 number, since 2×427669366² = 365802173229683912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427669367) 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, 180346 + ... + 182701.

It is an arithmetic number, because the mean of its divisors is an integer number (43565760).

Almost surely, 2^427669366 is an apocalyptic number.

427669366 is a deficient number, since it is larger than the sum of its proper divisors (269382794).

427669366 is a wasteful number, since it uses less digits than its factorization.

427669366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363099.

The product of its digits is 1959552, while the sum is 49.

The square root of 427669366 is about 20680.1684229118. The cubic root of 427669366 is about 753.4180968571.

The spelling of 427669366 in words is "four hundred twenty-seven million, six hundred sixty-nine thousand, three hundred sixty-six".