402298357 has 2 divisors, whose sum is σ = 402298358. Its totient is φ = 402298356.

The previous prime is 402298339. The next prime is 402298397. The reversal of 402298357 is 753892204.

It is an a-pointer prime, because the next prime (402298397) can be obtained adding 402298357 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375351876 + 26946481 = 19374^2 + 5191^2 .

It is a cyclic number.

It is not a de Polignac number, because 402298357 - 2²³ = 393909749 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402298307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201149178 + 201149179.

It is an arithmetic number, because the mean of its divisors is an integer number (201149179).

Almost surely, 2^402298357 is an apocalyptic number.

It is an amenable number.

402298357 is a deficient number, since it is larger than the sum of its proper divisors (1).

402298357 is an equidigital number, since it uses as much as digits as its factorization.

402298357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 402298357 is about 20057.3766230781. The cubic root of 402298357 is about 738.2148087129.

The spelling of 402298357 in words is "four hundred two million, two hundred ninety-eight thousand, three hundred fifty-seven".