97769406 has 32 divisors (see below), whose sum is σ = 228038400. Its totient is φ = 27933528.

The previous prime is 97769387. The next prime is 97769407. The reversal of 97769406 is 60496779.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97769407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21696 + ... + 25811.

It is an arithmetic number, because the mean of its divisors is an integer number (7126200).

Almost surely, 2^97769406 is an apocalyptic number.

97769406 is an abundant number, since it is smaller than the sum of its proper divisors (130268994).

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

97769406 is a wasteful number, since it uses less digits than its factorization.

97769406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47533 (or 47519 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 97769406 is about 9887.8413215423. The cubic root of 97769406 is about 460.6817333237.

The spelling of 97769406 in words is "ninety-seven million, seven hundred sixty-nine thousand, four hundred six".