97908020 has 24 divisors (see below), whose sum is σ = 234979584. Its totient is φ = 33568416.

The previous prime is 97908011. The next prime is 97908029. The reversal of 97908020 is 2080979.

It is an interprime number because it is at equal distance from previous prime (97908011) and next prime (97908029).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97908029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349532 + ... + 349811.

It is an arithmetic number, because the mean of its divisors is an integer number (9790816).

Almost surely, 2^97908020 is an apocalyptic number.

It is an amenable number.

97908020 is an abundant number, since it is smaller than the sum of its proper divisors (137071564).

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

97908020 is a wasteful number, since it uses less digits than its factorization.

97908020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699359 (or 699357 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 97908020 is about 9894.8481544691. The cubic root of 97908020 is about 460.8993432630.

Adding to 97908020 its reverse (2080979), we get a palindrome (99988999).

The spelling of 97908020 in words is "ninety-seven million, nine hundred eight thousand, twenty".