397804302 has 96 divisors (see below), whose sum is σ = 1016333760. Its totient is φ = 110108160.

The previous prime is 397804291. The next prime is 397804313. The reversal of 397804302 is 203408793.

It is an interprime number because it is at equal distance from previous prime (397804291) and next prime (397804313).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560724 + ... + 561432.

It is an arithmetic number, because the mean of its divisors is an integer number (10586810).

Almost surely, 2^397804302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397804302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508166880).

397804302 is an abundant number, since it is smaller than the sum of its proper divisors (618529458).

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

397804302 is a wasteful number, since it uses less digits than its factorization.

397804302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 397804302 is about 19945.0320130102. The cubic root of 397804302 is about 735.4556552668.

The spelling of 397804302 in words is "three hundred ninety-seven million, eight hundred four thousand, three hundred two".