32098421 has 2 divisors, whose sum is σ = 32098422. Its totient is φ = 32098420.

The previous prime is 32098393. The next prime is 32098439. The reversal of 32098421 is 12489023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30096196 + 2002225 = 5486^2 + 1415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32098421 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32091421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16049210 + 16049211.

It is an arithmetic number, because the mean of its divisors is an integer number (16049211).

Almost surely, 2^32098421 is an apocalyptic number.

It is an amenable number.

32098421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32098421 is an equidigital number, since it uses as much as digits as its factorization.

32098421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 32098421 is about 5665.5468403324. The cubic root of 32098421 is about 317.8053639321.

The spelling of 32098421 in words is "thirty-two million, ninety-eight thousand, four hundred twenty-one".