42346449 has 16 divisors (see below), whose sum is σ = 63532800. Its totient is φ = 27872208.

The previous prime is 42346433. The next prime is 42346453. The reversal of 42346449 is 94464324.

42346449 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 644 + 9 = 666.

It is not a de Polignac number, because 42346449 - 2⁴ = 42346433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42346429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7794 + ... + 12059.

It is an arithmetic number, because the mean of its divisors is an integer number (3970800).

Almost surely, 2^42346449 is an apocalyptic number.

It is an amenable number.

42346449 is a deficient number, since it is larger than the sum of its proper divisors (21186351).

42346449 is a wasteful number, since it uses less digits than its factorization.

42346449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19941 (or 19935 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 42346449 is about 6507.4149245303. The cubic root of 42346449 is about 348.5558151256. Note that the first 3 decimals are identical.

The spelling of 42346449 in words is "forty-two million, three hundred forty-six thousand, four hundred forty-nine".