98947290 has 64 divisors (see below), whose sum is σ = 260620416. Its totient is φ = 23891712.

The previous prime is 98947283. The next prime is 98947297. The reversal of 98947290 is 9274989.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (98947283) and next prime (98947297).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (98947297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18277 + ... + 23063.

It is an arithmetic number, because the mean of its divisors is an integer number (4072194).

Almost surely, 2^98947290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98947290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130310208).

98947290 is an abundant number, since it is smaller than the sum of its proper divisors (161673126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98947290 is a wasteful number, since it uses less digits than its factorization.

98947290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 98947290 is about 9947.2252412419. The cubic root of 98947290 is about 462.5243853712.

The spelling of 98947290 in words is "ninety-eight million, nine hundred forty-seven thousand, two hundred ninety".