978536948 has 36 divisors (see below), whose sum is σ = 1798941312. Its totient is φ = 465255120.

The previous prime is 978536921. The next prime is 978536953. The reversal of 978536948 is 849635879.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430511 + ... + 432777.

It is an arithmetic number, because the mean of its divisors is an integer number (49970592).

Almost surely, 2^978536948 is an apocalyptic number.

It is an amenable number.

978536948 is a deficient number, since it is larger than the sum of its proper divisors (820404364).

978536948 is a wasteful number, since it uses less digits than its factorization.

978536948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420 (or 2359 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 59.

The square root of 978536948 is about 31281.5752160917. The cubic root of 978536948 is about 992.7938454046.

The spelling of 978536948 in words is "nine hundred seventy-eight million, five hundred thirty-six thousand, nine hundred forty-eight".