97859740 has 24 divisors (see below), whose sum is σ = 224188272. Its totient is φ = 35585280.

The previous prime is 97859681. The next prime is 97859761. The reversal of 97859740 is 4795879.

It is a happy number.

It is a congruent number.

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, 222189 + ... + 222628.

It is an arithmetic number, because the mean of its divisors is an integer number (9341178).

Almost surely, 2^97859740 is an apocalyptic number.

It is an amenable number.

97859740 is an abundant number, since it is smaller than the sum of its proper divisors (126328532).

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

97859740 is a wasteful number, since it uses less digits than its factorization.

97859740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444837 (or 444835 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 97859740 is about 9892.4082002311. The cubic root of 97859740 is about 460.8235718776.

The spelling of 97859740 in words is "ninety-seven million, eight hundred fifty-nine thousand, seven hundred forty".