98572556 has 6 divisors (see below), whose sum is σ = 172501980. Its totient is φ = 49286276.

The previous prime is 98572547. The next prime is 98572559. The reversal of 98572556 is 65527589.

It is a self number, because there is not a number n which added to its sum of digits gives 98572556.

It is not an unprimeable number, because it can be changed into a prime (98572559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12321566 + ... + 12321573.

It is an arithmetic number, because the mean of its divisors is an integer number (28750330).

Almost surely, 2^98572556 is an apocalyptic number.

It is an amenable number.

98572556 is a deficient number, since it is larger than the sum of its proper divisors (73929424).

98572556 is a wasteful number, since it uses less digits than its factorization.

98572556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24643143 (or 24643141 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The square root of 98572556 is about 9928.3712662249. The cubic root of 98572556 is about 461.9397546425.

The spelling of 98572556 in words is "ninety-eight million, five hundred seventy-two thousand, five hundred fifty-six".