997466970 has 32 divisors (see below), whose sum is σ = 2399284800. Its totient is φ = 265395200.

The previous prime is 997466923. The next prime is 997466999. The reversal of 997466970 is 79664799.

It is a self number, because there is not a number n which added to its sum of digits gives 997466970.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23556 + ... + 50495.

It is an arithmetic number, because the mean of its divisors is an integer number (74977650).

Almost surely, 2^997466970 is an apocalyptic number.

997466970 is an abundant number, since it is smaller than the sum of its proper divisors (1401817830).

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

997466970 is a wasteful number, since it uses less digits than its factorization.

997466970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74510.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The square root of 997466970 is about 31582.7004861839. The cubic root of 997466970 is about 999.1549427461.

The spelling of 997466970 in words is "nine hundred ninety-seven million, four hundred sixty-six thousand, nine hundred seventy".