97898247 has 16 divisors (see below), whose sum is σ = 145428480. Its totient is φ = 65088216.

The previous prime is 97898219. The next prime is 97898267. The reversal of 97898247 is 74289879.

It is not a de Polignac number, because 97898247 - 2¹⁸ = 97636103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97898193 and 97898202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97898267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5608 + ... + 15074.

It is an arithmetic number, because the mean of its divisors is an integer number (9089280).

Almost surely, 2^97898247 is an apocalyptic number.

97898247 is a deficient number, since it is larger than the sum of its proper divisors (47530233).

97898247 is a wasteful number, since it uses less digits than its factorization.

97898247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859 (or 9853 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 97898247 is about 9894.3542992961. The cubic root of 97898247 is about 460.8840073754.

It can be divided in two parts, 978 and 98247, that added together give a square (99225 = 315²).

The spelling of 97898247 in words is "ninety-seven million, eight hundred ninety-eight thousand, two hundred forty-seven".