930978620 has 48 divisors (see below), whose sum is σ = 2296855008. Its totient is φ = 312495360.

The previous prime is 930978583. The next prime is 930978623. The reversal of 930978620 is 26879039.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930978623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159899 + ... + 165618.

It is an arithmetic number, because the mean of its divisors is an integer number (47851146).

Almost surely, 2^930978620 is an apocalyptic number.

It is an amenable number.

930978620 is an abundant number, since it is smaller than the sum of its proper divisors (1365876388).

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

930978620 is a wasteful number, since it uses less digits than its factorization.

930978620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325550 (or 325548 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 930978620 is about 30511.9422521740. The cubic root of 930978620 is about 976.4422643454.

The spelling of 930978620 in words is "nine hundred thirty million, nine hundred seventy-eight thousand, six hundred twenty".