920978248 has 32 divisors (see below), whose sum is σ = 1800014400. Its totient is φ = 441346752.

The previous prime is 920978243. The next prime is 920978249. The reversal of 920978248 is 842879029.

It is not an unprimeable number, because it can be changed into a prime (920978243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388 + ... + 43051.

It is an arithmetic number, because the mean of its divisors is an integer number (56250450).

Almost surely, 2^920978248 is an apocalyptic number.

It is an amenable number.

920978248 is a deficient number, since it is larger than the sum of its proper divisors (879036152).

920978248 is a wasteful number, since it uses less digits than its factorization.

920978248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46549 (or 46545 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 920978248 is about 30347.6234324864. The cubic root of 920978248 is about 972.9334262368.

The spelling of 920978248 in words is "nine hundred twenty million, nine hundred seventy-eight thousand, two hundred forty-eight".