97894437 has 16 divisors (see below), whose sum is σ = 133866432. Its totient is φ = 63613440.

The previous prime is 97894411. The next prime is 97894439. The reversal of 97894437 is 73449879.

It is a happy number.

It is not a de Polignac number, because 97894437 - 2¹⁹ = 97370149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97894437.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16987 + ... + 22007.

It is an arithmetic number, because the mean of its divisors is an integer number (8366652).

Almost surely, 2^97894437 is an apocalyptic number.

97894437 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

It is an amenable number.

97894437 is a deficient number, since it is larger than the sum of its proper divisors (35971995).

97894437 is a wasteful number, since it uses less digits than its factorization.

97894437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188.

The product of its digits is 1524096, while the sum is 51.

The square root of 97894437 is about 9894.1617633835. The cubic root of 97894437 is about 460.8780284095.

The spelling of 97894437 in words is "ninety-seven million, eight hundred ninety-four thousand, four hundred thirty-seven".