97867438 has 8 divisors (see below), whose sum is σ = 153183888. Its totient is φ = 46806144.

The previous prime is 97867417. The next prime is 97867439. The reversal of 97867438 is 83476879.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×97867438³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97867439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063731 + ... + 1063822.

It is an arithmetic number, because the mean of its divisors is an integer number (19147986).

Almost surely, 2^97867438 is an apocalyptic number.

97867438 is a deficient number, since it is larger than the sum of its proper divisors (55316450).

97867438 is a wasteful number, since it uses less digits than its factorization.

97867438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127578.

The product of its digits is 2032128, while the sum is 52.

The square root of 97867438 is about 9892.7972788287. The cubic root of 97867438 is about 460.8356549087.

The spelling of 97867438 in words is "ninety-seven million, eight hundred sixty-seven thousand, four hundred thirty-eight".