397298807284 has 6 divisors (see below), whose sum is σ = 695272912754. Its totient is φ = 198649403640.

The previous prime is 397298807281. The next prime is 397298807287. The reversal of 397298807284 is 482708892793.

It is an interprime number because it is at equal distance from previous prime (397298807281) and next prime (397298807287).

It can be written as a sum of positive squares in only one way, i.e., 396421344400 + 877462884 = 629620^2 + 29622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397298807281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49662350907 + ... + 49662350914.

Almost surely, 2^397298807284 is an apocalyptic number.

It is an amenable number.

397298807284 is a deficient number, since it is larger than the sum of its proper divisors (297974105470).

397298807284 is a wasteful number, since it uses less digits than its factorization.

397298807284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99324701825 (or 99324701823 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 67.

The spelling of 397298807284 in words is "three hundred ninety-seven billion, two hundred ninety-eight million, eight hundred seven thousand, two hundred eighty-four".