427149546 has 8 divisors (see below), whose sum is σ = 854299104. Its totient is φ = 142383180.

The previous prime is 427149539. The next prime is 427149551. The reversal of 427149546 is 645941724.

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

427149546 is an admirable number.

It is a super-2 number, since 2×427149546² = 364913469296012232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 427149498 and 427149507.

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, 35595790 + ... + 35595801.

It is an arithmetic number, because the mean of its divisors is an integer number (106787388).

Almost surely, 2^427149546 is an apocalyptic number.

427149546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427149546 is a wasteful number, since it uses less digits than its factorization.

427149546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71191596.

The product of its digits is 241920, while the sum is 42.

The square root of 427149546 is about 20667.5965220923. The cubic root of 427149546 is about 753.1127203131.

The spelling of 427149546 in words is "four hundred twenty-seven million, one hundred forty-nine thousand, five hundred forty-six".