997770414 has 16 divisors (see below), whose sum is σ = 1996561152. Its totient is φ = 332420088.

The previous prime is 997770359. The next prime is 997770419. The reversal of 997770414 is 414077799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997770419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29494 + ... + 53529.

It is an arithmetic number, because the mean of its divisors is an integer number (124785072).

Almost surely, 2^997770414 is an apocalyptic number.

997770414 is an abundant number, since it is smaller than the sum of its proper divisors (998790738).

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

997770414 is a wasteful number, since it uses less digits than its factorization.

997770414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85031.

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 997770414 is about 31587.5040799364. The cubic root of 997770414 is about 999.2562516422.

The spelling of 997770414 in words is "nine hundred ninety-seven million, seven hundred seventy thousand, four hundred fourteen".