546489378 has 24 divisors (see below), whose sum is σ = 1253711628. Its totient is φ = 171447552.

The previous prime is 546489341. The next prime is 546489389. The reversal of 546489378 is 873984645.

546489378 is a `hidden beast` number, since 546 + 4 + 8 + 93 + 7 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 540423009 + 6066369 = 23247^2 + 2463^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892651 + ... + 893262.

Almost surely, 2^546489378 is an apocalyptic number.

546489378 is an abundant number, since it is smaller than the sum of its proper divisors (707222250).

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

546489378 is a wasteful number, since it uses less digits than its factorization.

546489378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785938 (or 1785935 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 546489378 is about 23377.1122681994. The cubic root of 546489378 is about 817.5743197590.

The spelling of 546489378 in words is "five hundred forty-six million, four hundred eighty-nine thousand, three hundred seventy-eight".