427940930 has 8 divisors (see below), whose sum is σ = 770293692. Its totient is φ = 171176368.

The previous prime is 427940923. The next prime is 427940951. The reversal of 427940930 is 39049724.

It can be written as a sum of positive squares in 2 ways, for example, as 427703761 + 237169 = 20681^2 + 487^2 .

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

It is a super-3 number, since 3×427940930³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21397037 + ... + 21397056.

Almost surely, 2^427940930 is an apocalyptic number.

427940930 is a deficient number, since it is larger than the sum of its proper divisors (342352762).

427940930 is a wasteful number, since it uses less digits than its factorization.

427940930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42794100.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 427940930 is about 20686.7331882054. The cubic root of 427940930 is about 753.5775330612.

The spelling of 427940930 in words is "four hundred twenty-seven million, nine hundred forty thousand, nine hundred thirty".