797408436 has 48 divisors (see below), whose sum is σ = 2118025728. Its totient is φ = 231132000.

The previous prime is 797408431. The next prime is 797408449. The reversal of 797408436 is 634804797.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797408431) 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, 128290 + ... + 134361.

It is an arithmetic number, because the mean of its divisors is an integer number (44125536).

Almost surely, 2^797408436 is an apocalyptic number.

It is an amenable number.

797408436 is an abundant number, since it is smaller than the sum of its proper divisors (1320617292).

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

797408436 is a wasteful number, since it uses less digits than its factorization.

797408436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262692 (or 262690 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 797408436 is about 28238.4212731519. The cubic root of 797408436 is about 927.3142678010.

The spelling of 797408436 in words is "seven hundred ninety-seven million, four hundred eight thousand, four hundred thirty-six".