406060397 has 2 divisors, whose sum is σ = 406060398. Its totient is φ = 406060396.

The previous prime is 406060393. The next prime is 406060411. The reversal of 406060397 is 793060604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346369321 + 59691076 = 18611^2 + 7726^2 .

It is a cyclic number.

It is not a de Polignac number, because 406060397 - 2² = 406060393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406060393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203030198 + 203030199.

It is an arithmetic number, because the mean of its divisors is an integer number (203030199).

Almost surely, 2^406060397 is an apocalyptic number.

It is an amenable number.

406060397 is a deficient number, since it is larger than the sum of its proper divisors (1).

406060397 is an equidigital number, since it uses as much as digits as its factorization.

406060397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 406060397 is about 20150.9403502665. The cubic root of 406060397 is about 740.5087790405.

The spelling of 406060397 in words is "four hundred six million, sixty thousand, three hundred ninety-seven".