997154414 has 32 divisors (see below), whose sum is σ = 1601285760. Its totient is φ = 464076288.

The previous prime is 997154413. The next prime is 997154419. The reversal of 997154414 is 414451799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997154413) 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, 1958792 + ... + 1959300.

It is an arithmetic number, because the mean of its divisors is an integer number (50040180).

Almost surely, 2^997154414 is an apocalyptic number.

997154414 is a deficient number, since it is larger than the sum of its proper divisors (604131346).

997154414 is a wasteful number, since it uses less digits than its factorization.

With its successor (997154415) it forms an eRAP, since the sums of their prime factors are consecutive (1052 and 1053).

997154414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052.

The product of its digits is 181440, while the sum is 44.

The square root of 997154414 is about 31577.7518832484. The cubic root of 997154414 is about 999.0505702017.

The spelling of 997154414 in words is "nine hundred ninety-seven million, one hundred fifty-four thousand, four hundred fourteen".