449157398 has 8 divisors (see below), whose sum is σ = 673841592. Its totient is φ = 224543536.

The previous prime is 449157389. The next prime is 449157407. The reversal of 449157398 is 893751944.

It is an interprime number because it is at equal distance from previous prime (449157389) and next prime (449157407).

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

It is a congruent number.

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, 3386 + ... + 30162.

It is an arithmetic number, because the mean of its divisors is an integer number (84230199).

Almost surely, 2^449157398 is an apocalyptic number.

449157398 is a deficient number, since it is larger than the sum of its proper divisors (224684194).

449157398 is a wasteful number, since it uses less digits than its factorization.

449157398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35166.

The product of its digits is 1088640, while the sum is 50.

The square root of 449157398 is about 21193.3338104226. Note that the first 3 decimals coincide. The cubic root of 449157398 is about 765.8308418086.

The spelling of 449157398 in words is "four hundred forty-nine million, one hundred fifty-seven thousand, three hundred ninety-eight".