980146388 has 24 divisors (see below), whose sum is σ = 1944421920. Its totient is φ = 428565600.

The previous prime is 980146381. The next prime is 980146393. The reversal of 980146388 is 883641089.

It is a super-3 number, since 3×980146388³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980146381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495038 + ... + 497013.

It is an arithmetic number, because the mean of its divisors is an integer number (81017580).

Almost surely, 2^980146388 is an apocalyptic number.

It is an amenable number.

980146388 is a deficient number, since it is larger than the sum of its proper divisors (964275532).

980146388 is a wasteful number, since it uses less digits than its factorization.

980146388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992087 (or 992085 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 980146388 is about 31307.2896942549. The cubic root of 980146388 is about 993.3378435702.

The spelling of 980146388 in words is "nine hundred eighty million, one hundred forty-six thousand, three hundred eighty-eight".