97633380 has 192 divisors, whose sum is σ = 321753600. Its totient is φ = 21897216.

The previous prime is 97633379. The next prime is 97633411. The reversal of 97633380 is 8333679.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 490521 + ... + 490719.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 2^97633380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97633380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160876800).

97633380 is an abundant number, since it is smaller than the sum of its proper divisors (224120220).

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

97633380 is a wasteful number, since it uses less digits than its factorization.

97633380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 97633380 is about 9880.9604796295. The cubic root of 97633380 is about 460.4679862353.

The spelling of 97633380 in words is "ninety-seven million, six hundred thirty-three thousand, three hundred eighty".