402876197 has 2 divisors, whose sum is σ = 402876198. Its totient is φ = 402876196.

The previous prime is 402876193. The next prime is 402876259. The reversal of 402876197 is 791678204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308669761 + 94206436 = 17569^2 + 9706^2 .

It is a cyclic number.

It is not a de Polignac number, because 402876197 - 2² = 402876193 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402876193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201438098 + 201438099.

It is an arithmetic number, because the mean of its divisors is an integer number (201438099).

Almost surely, 2^402876197 is an apocalyptic number.

It is an amenable number.

402876197 is a deficient number, since it is larger than the sum of its proper divisors (1).

402876197 is an equidigital number, since it uses as much as digits as its factorization.

402876197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 402876197 is about 20071.7761296802. The cubic root of 402876197 is about 738.5680838103.

The spelling of 402876197 in words is "four hundred two million, eight hundred seventy-six thousand, one hundred ninety-seven".