97894436 has 6 divisors (see below), whose sum is σ = 171315270. Its totient is φ = 48947216.

The previous prime is 97894411. The next prime is 97894439. The reversal of 97894436 is 63449879.

It can be written as a sum of positive squares in only one way, i.e., 76457536 + 21436900 = 8744^2 + 4630^2 .

It is not an unprimeable number, because it can be changed into a prime (97894439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12236801 + ... + 12236808.

It is an arithmetic number, because the mean of its divisors is an integer number (28552545).

Almost surely, 2^97894436 is an apocalyptic number.

It is an amenable number.

97894436 is a deficient number, since it is larger than the sum of its proper divisors (73420834).

97894436 is a wasteful number, since it uses less digits than its factorization.

97894436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24473613 (or 24473611 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 97894436 is about 9894.1617128486. The cubic root of 97894436 is about 460.8780268402.

The spelling of 97894436 in words is "ninety-seven million, eight hundred ninety-four thousand, four hundred thirty-six".