980403819 has 16 divisors (see below), whose sum is σ = 1435833600. Its totient is φ = 592279776.

The previous prime is 980403817. The next prime is 980403829. The reversal of 980403819 is 918304089.

It is not a de Polignac number, because 980403819 - 2¹ = 980403817 is a prime.

It is a super-2 number, since 2×980403819² = 1922383296619569522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (980403817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372604 + ... + 375225.

It is an arithmetic number, because the mean of its divisors is an integer number (89739600).

Almost surely, 2^980403819 is an apocalyptic number.

980403819 is a deficient number, since it is larger than the sum of its proper divisors (455429781).

980403819 is a wasteful number, since it uses less digits than its factorization.

980403819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747874.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 980403819 is about 31311.4007831014. The cubic root of 980403819 is about 993.4248011829.

The spelling of 980403819 in words is "nine hundred eighty million, four hundred three thousand, eight hundred nineteen".