997739002 has 32 divisors (see below), whose sum is σ = 1642322304.
Its totient is φ = 451819200.
The previous prime is 997738991. The next prime is 997739033. The reversal of 997739002 is 200937799.
It is a super-2 number, since 2×9977390022 = 1990966232223912008, which contains 22 as substring.
It is a house number.
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, 417852 + ... + 420232.
It is an arithmetic number, because the mean of its divisors is an integer number (51322572).
Almost surely, 2997739002 is an apocalyptic number.
997739002 is a deficient number, since it is larger than the sum of its proper divisors (644583302).
997739002 is a wasteful number, since it uses less digits than its factorization.
997739002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2694.
The product of its (nonzero) digits is 214326, while the sum is 46.
The square root of 997739002 is about 31587.0068540848.
The cubic root of 997739002 is about 999.2457652730.
The spelling of 997739002 in words is "nine hundred ninety-seven million, seven hundred thirty-nine thousand, two".