980223437 has 2 divisors, whose sum is σ = 980223438. Its totient is φ = 980223436.

The previous prime is 980223427. The next prime is 980223479. The reversal of 980223437 is 734322089.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550324681 + 429898756 = 23459^2 + 20734^2 .

It is a cyclic number.

It is not a de Polignac number, because 980223437 - 2¹² = 980219341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 980223437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980223427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490111718 + 490111719.

It is an arithmetic number, because the mean of its divisors is an integer number (490111719).

Almost surely, 2^980223437 is an apocalyptic number.

It is an amenable number.

980223437 is a deficient number, since it is larger than the sum of its proper divisors (1).

980223437 is an equidigital number, since it uses as much as digits as its factorization.

980223437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 980223437 is about 31308.5201981825. The cubic root of 980223437 is about 993.3638715469.

The spelling of 980223437 in words is "nine hundred eighty million, two hundred twenty-three thousand, four hundred thirty-seven".