978413249 has 8 divisors (see below), whose sum is σ = 1070053248. Its totient is φ = 887222160.

The previous prime is 978413239. The next prime is 978413279. The reversal of 978413249 is 942314879.

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

It is not a de Polignac number, because 978413249 - 2²⁴ = 961636033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (978413239) 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, 107657 + ... + 116390.

It is an arithmetic number, because the mean of its divisors is an integer number (133756656).

Almost surely, 2^978413249 is an apocalyptic number.

It is an amenable number.

978413249 is a deficient number, since it is larger than the sum of its proper divisors (91639999).

978413249 is a wasteful number, since it uses less digits than its factorization.

978413249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224455.

The product of its digits is 435456, while the sum is 47.

The square root of 978413249 is about 31279.5979673652. The cubic root of 978413249 is about 992.7520098932.

The spelling of 978413249 in words is "nine hundred seventy-eight million, four hundred thirteen thousand, two hundred forty-nine".