97444480 has 64 divisors (see below), whose sum is σ = 266244480. Its totient is φ = 33408000.

The previous prime is 97444471. The next prime is 97444507. The reversal of 97444480 is 8444479.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6396 + ... + 15355.

It is an arithmetic number, because the mean of its divisors is an integer number (4160070).

Almost surely, 2^97444480 is an apocalyptic number.

It is an amenable number.

97444480 is an abundant number, since it is smaller than the sum of its proper divisors (168800000).

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

97444480 is a wasteful number, since it uses less digits than its factorization.

97444480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21777 (or 21765 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 97444480 is about 9871.3970642458. The cubic root of 97444480 is about 460.1708250236.

It can be divided in two parts, 974 and 44480, that added together give a palindrome (45454).

The spelling of 97444480 in words is "ninety-seven million, four hundred forty-four thousand, four hundred eighty".