427696929 has 20 divisors (see below), whose sum is σ = 696989040. Its totient is φ = 259209720.

The previous prime is 427696889. The next prime is 427696943. The reversal of 427696929 is 929696724.

It is not a de Polignac number, because 427696929 - 2¹¹ = 427694881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427696229) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 239119 + ... + 240900.

It is an arithmetic number, because the mean of its divisors is an integer number (34849452).

Almost surely, 2^427696929 is an apocalyptic number.

It is an amenable number.

427696929 is a deficient number, since it is larger than the sum of its proper divisors (269292111).

427696929 is a wasteful number, since it uses less digits than its factorization.

427696929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480042 (or 480033 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 427696929 is about 20680.8348235752. The cubic root of 427696929 is about 753.4342822708.

The spelling of 427696929 in words is "four hundred twenty-seven million, six hundred ninety-six thousand, nine hundred twenty-nine".