397432548 has 96 divisors (see below), whose sum is σ = 1082054400. Its totient is φ = 125908992.

The previous prime is 397432547. The next prime is 397432549. The reversal of 397432548 is 845234793.

397432548 is a `hidden beast` number, since 3 + 9 + 74 + 32 + 548 = 666.

It is an interprime number because it is at equal distance from previous prime (397432547) and next prime (397432549).

It is not an unprimeable number, because it can be changed into a prime (397432547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478998 + ... + 479826.

It is an arithmetic number, because the mean of its divisors is an integer number (11271400).

Almost surely, 2^397432548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397432548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541027200).

397432548 is an abundant number, since it is smaller than the sum of its proper divisors (684621852).

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

397432548 is a wasteful number, since it uses less digits than its factorization.

397432548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1050 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 397432548 is about 19935.7103710904. The cubic root of 397432548 is about 735.2264858044.

The spelling of 397432548 in words is "three hundred ninety-seven million, four hundred thirty-two thousand, five hundred forty-eight".