978485622 has 16 divisors (see below), whose sum is σ = 1958727360. Its totient is φ = 325869192.

The previous prime is 978485611. The next prime is 978485659. The reversal of 978485622 is 226584879.

It is a super-2 number, since 2×978485622² = 1914868224921453768, which contains 22 as substring.

It is a congruent number.

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, 65872 + ... + 79347.

It is an arithmetic number, because the mean of its divisors is an integer number (122420460).

Almost surely, 2^978485622 is an apocalyptic number.

978485622 is an abundant number, since it is smaller than the sum of its proper divisors (980241738).

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

978485622 is a wasteful number, since it uses less digits than its factorization.

978485622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146347.

The product of its digits is 1935360, while the sum is 51.

The square root of 978485622 is about 31280.7548182585. The cubic root of 978485622 is about 992.7764871679.

The spelling of 978485622 in words is "nine hundred seventy-eight million, four hundred eighty-five thousand, six hundred twenty-two".