427449204 has 384 divisors, whose sum is σ = 1493237760. Its totient is φ = 102643200.

The previous prime is 427449163. The next prime is 427449223. The reversal of 427449204 is 402944724.

427449204 is a `hidden beast` number, since 4 + 2 + 7 + 449 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7007334 + ... + 7007394.

It is an arithmetic number, because the mean of its divisors is an integer number (3888640).

Almost surely, 2^427449204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427449204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746618880).

427449204 is an abundant number, since it is smaller than the sum of its proper divisors (1065788556).

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

427449204 is a wasteful number, since it uses less digits than its factorization.

427449204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 427449204 is about 20674.8447152572. The cubic root of 427449204 is about 753.2887894060.

The spelling of 427449204 in words is "four hundred twenty-seven million, four hundred forty-nine thousand, two hundred four".