99290357 has 2 divisors, whose sum is σ = 99290358. Its totient is φ = 99290356.

The previous prime is 99290299. The next prime is 99290369. The reversal of 99290357 is 75309299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88472836 + 10817521 = 9406^2 + 3289^2 .

It is a cyclic number.

It is not a de Polignac number, because 99290357 - 2⁸ = 99290101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99290377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49645178 + 49645179.

It is an arithmetic number, because the mean of its divisors is an integer number (49645179).

Almost surely, 2^99290357 is an apocalyptic number.

It is an amenable number.

99290357 is a deficient number, since it is larger than the sum of its proper divisors (1).

99290357 is an equidigital number, since it uses as much as digits as its factorization.

99290357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 99290357 is about 9964.4546764989. The cubic root of 99290357 is about 463.0583188734.

The spelling of 99290357 in words is "ninety-nine million, two hundred ninety thousand, three hundred fifty-seven".