978603144 has 32 divisors (see below), whose sum is σ = 2530872000. Its totient is φ = 314952512.

The previous prime is 978603127. The next prime is 978603161. The reversal of 978603144 is 441306879.

It is an interprime number because it is at equal distance from previous prime (978603127) and next prime (978603161).

It is a super-2 number, since 2×978603144² = 1915328226893369472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 978603096 and 978603105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702324 + ... + 703715.

It is an arithmetic number, because the mean of its divisors is an integer number (79089750).

Almost surely, 2^978603144 is an apocalyptic number.

It is an amenable number.

978603144 is an abundant number, since it is smaller than the sum of its proper divisors (1552268856).

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

978603144 is a wasteful number, since it uses less digits than its factorization.

978603144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406077 (or 1406073 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 978603144 is about 31282.6332651201. The cubic root of 978603144 is about 992.8162317164.

The spelling of 978603144 in words is "nine hundred seventy-eight million, six hundred three thousand, one hundred forty-four".