978383536 has 20 divisors (see below), whose sum is σ = 2041435312. Its totient is φ = 451561536.

The previous prime is 978383521. The next prime is 978383561. The reversal of 978383536 is 635383879.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 2351676 + ... + 2352091.

Almost surely, 2^978383536 is an apocalyptic number.

It is an amenable number.

978383536 is an abundant number, since it is smaller than the sum of its proper divisors (1063051776).

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

978383536 is a wasteful number, since it uses less digits than its factorization.

978383536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703788 (or 4703782 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The square root of 978383536 is about 31279.1230056087. The cubic root of 978383536 is about 992.7419603089.

The spelling of 978383536 in words is "nine hundred seventy-eight million, three hundred eighty-three thousand, five hundred thirty-six".