427632406 has 8 divisors (see below), whose sum is σ = 641640384. Its totient is φ = 213752280.

The previous prime is 427632343. The next prime is 427632409. The reversal of 427632406 is 604236724.

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

It is a super-2 number, since 2×427632406² = 365738949322697672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427632409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23110 + ... + 37273.

It is an arithmetic number, because the mean of its divisors is an integer number (80205048).

Almost surely, 2^427632406 is an apocalyptic number.

427632406 is a deficient number, since it is larger than the sum of its proper divisors (214007978).

427632406 is a wasteful number, since it uses less digits than its factorization.

427632406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63926.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 427632406 is about 20679.2747938606. The cubic root of 427632406 is about 753.3963922902.

The spelling of 427632406 in words is "four hundred twenty-seven million, six hundred thirty-two thousand, four hundred six".