42577398 has 12 divisors (see below), whose sum is σ = 92251068. Its totient is φ = 14192460.

The previous prime is 42577397. The next prime is 42577429. The reversal of 42577398 is 89377524.

42577398 is a `hidden beast` number, since 4 + 257 + 7 + 398 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42577397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1182688 + ... + 1182723.

It is an arithmetic number, because the mean of its divisors is an integer number (7687589).

Almost surely, 2^42577398 is an apocalyptic number.

42577398 is an abundant number, since it is smaller than the sum of its proper divisors (49673670).

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

42577398 is a wasteful number, since it uses less digits than its factorization.

42577398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365419 (or 2365416 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 42577398 is about 6525.1358606546. The cubic root of 42577398 is about 349.1883177286.

The spelling of 42577398 in words is "forty-two million, five hundred seventy-seven thousand, three hundred ninety-eight".