3430020397 has 2 divisors, whose sum is σ = 3430020398. Its totient is φ = 3430020396.

The previous prime is 3430020371. The next prime is 3430020421. The reversal of 3430020397 is 7930200343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2272047556 + 1157972841 = 47666^2 + 34029^2 .

It is a cyclic number.

It is not a de Polignac number, because 3430020397 - 2¹⁵ = 3429987629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3430020697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715010198 + 1715010199.

It is an arithmetic number, because the mean of its divisors is an integer number (1715010199).

Almost surely, 2^3430020397 is an apocalyptic number.

It is an amenable number.

3430020397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3430020397 is an equidigital number, since it uses as much as digits as its factorization.

3430020397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 3430020397 is about 58566.3759933974. The cubic root of 3430020397 is about 1508.1072724044.

The spelling of 3430020397 in words is "three billion, four hundred thirty million, twenty thousand, three hundred ninety-seven".