427328693 has 8 divisors (see below), whose sum is σ = 468619776. Its totient is φ = 386444800.

The previous prime is 427328663. The next prime is 427328719. The reversal of 427328693 is 396823724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427328693 - 2¹⁴ = 427312309 is a prime.

It is a super-2 number, since 2×427328693² = 365219623722176498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427328633) 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, 99596 + ... + 103797.

It is an arithmetic number, because the mean of its divisors is an integer number (58577472).

Almost surely, 2^427328693 is an apocalyptic number.

It is an amenable number.

427328693 is a deficient number, since it is larger than the sum of its proper divisors (41291083).

427328693 is a wasteful number, since it uses less digits than its factorization.

427328693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203595.

The product of its digits is 435456, while the sum is 44.

The square root of 427328693 is about 20671.9300743786. The cubic root of 427328693 is about 753.2179910382.

The spelling of 427328693 in words is "four hundred twenty-seven million, three hundred twenty-eight thousand, six hundred ninety-three".