842497000 has 32 divisors (see below), whose sum is σ = 1971445320. Its totient is φ = 336998400.

The previous prime is 842496997. The next prime is 842497021. The reversal of 842497000 is 794248.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 426092164 + 416404836 = 20642^2 + 20406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420249 + ... + 422248.

Almost surely, 2^842497000 is an apocalyptic number.

It is an amenable number.

842497000 is an abundant number, since it is smaller than the sum of its proper divisors (1128948320).

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

842497000 is a wasteful number, since it uses less digits than its factorization.

842497000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842518 (or 842504 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 842497000 is about 29025.7988692818. The cubic root of 842497000 is about 944.4727983286.

The spelling of 842497000 in words is "eight hundred forty-two million, four hundred ninety-seven thousand".