997470054 has 96 divisors (see below), whose sum is σ = 2563951104. Its totient is φ = 274337280.

The previous prime is 997470031. The next prime is 997470059. The reversal of 997470054 is 450074799.

It is a junction number, because it is equal to n+sod(n) for n = 997469991 and 997470009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997470059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383382 + ... + 385974.

It is an arithmetic number, because the mean of its divisors is an integer number (26707824).

Almost surely, 2^997470054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997470054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281975552).

997470054 is an abundant number, since it is smaller than the sum of its proper divisors (1566481050).

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

997470054 is a wasteful number, since it uses less digits than its factorization.

997470054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722 (or 2719 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 997470054 is about 31582.7493103435. The cubic root of 997470054 is about 999.1559724846.

The spelling of 997470054 in words is "nine hundred ninety-seven million, four hundred seventy thousand, fifty-four".