378498449 has 8 divisors (see below), whose sum is σ = 455336640. Its totient is φ = 307352016.

The previous prime is 378498443. The next prime is 378498451. The reversal of 378498449 is 944894873.

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

It is a cyclic number.

It is not a de Polignac number, because 378498449 - 2⁸ = 378498193 is a prime.

It is a super-2 number, since 2×378498449² = 286522151790811202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378498394 and 378498403.

It is not an unprimeable number, because it can be changed into a prime (378498443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422794 + ... + 1423059.

It is an arithmetic number, because the mean of its divisors is an integer number (56917080).

Almost surely, 2^378498449 is an apocalyptic number.

It is an amenable number.

378498449 is a deficient number, since it is larger than the sum of its proper divisors (76838191).

378498449 is a wasteful number, since it uses less digits than its factorization.

378498449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845879.

The product of its digits is 6967296, while the sum is 56.

The square root of 378498449 is about 19455.0365972413. The cubic root of 378498449 is about 723.3603526237.

The spelling of 378498449 in words is "three hundred seventy-eight million, four hundred ninety-eight thousand, four hundred forty-nine".