997754361 has 16 divisors (see below), whose sum is σ = 1410177600. Its totient is φ = 625338368.

The previous prime is 997754341. The next prime is 997754383. The reversal of 997754361 is 163457799.

It is a cyclic number.

It is not a de Polignac number, because 997754361 - 2⁶ = 997754297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (997754341) 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, 36850 + ... + 57908.

It is an arithmetic number, because the mean of its divisors is an integer number (88136100).

Almost surely, 2^997754361 is an apocalyptic number.

It is an amenable number.

997754361 is a deficient number, since it is larger than the sum of its proper divisors (412423239).

997754361 is a wasteful number, since it uses less digits than its factorization.

997754361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22008.

The product of its digits is 1428840, while the sum is 51.

The square root of 997754361 is about 31587.2499752669. The cubic root of 997754361 is about 999.2508926450.

The spelling of 997754361 in words is "nine hundred ninety-seven million, seven hundred fifty-four thousand, three hundred sixty-one".