97213650 has 96 divisors (see below), whose sum is σ = 259536960. Its totient is φ = 23992320.

The previous prime is 97213643. The next prime is 97213679. The reversal of 97213650 is 5631279.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170566 + ... + 171134.

It is an arithmetic number, because the mean of its divisors is an integer number (2703510).

Almost surely, 2^97213650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97213650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129768480).

97213650 is an abundant number, since it is smaller than the sum of its proper divisors (162323310).

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

97213650 is a wasteful number, since it uses less digits than its factorization.

97213650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 97213650 is about 9859.6982712454. The cubic root of 97213650 is about 459.8071813171.

The spelling of 97213650 in words is "ninety-seven million, two hundred thirteen thousand, six hundred fifty".