980146389 has 4 divisors (see below), whose sum is σ = 1306861856. Its totient is φ = 653430924.

The previous prime is 980146381. The next prime is 980146393. The reversal of 980146389 is 983641089.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 980146389 - 2³ = 980146381 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163357729 + ... + 163357734.

It is an arithmetic number, because the mean of its divisors is an integer number (326715464).

Almost surely, 2^980146389 is an apocalyptic number.

It is an amenable number.

980146389 is a deficient number, since it is larger than the sum of its proper divisors (326715467).

980146389 is a wasteful number, since it uses less digits than its factorization.

980146389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326715466.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 980146389 is about 31307.2897102256. The cubic root of 980146389 is about 993.3378439080.

The spelling of 980146389 in words is "nine hundred eighty million, one hundred forty-six thousand, three hundred eighty-nine".