397048461 has 4 divisors (see below), whose sum is σ = 529397952. Its totient is φ = 264698972.

The previous prime is 397048427. The next prime is 397048507. The reversal of 397048461 is 164840793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 397048461 - 2⁶ = 397048397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397048061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66174741 + ... + 66174746.

It is an arithmetic number, because the mean of its divisors is an integer number (132349488).

Almost surely, 2^397048461 is an apocalyptic number.

It is an amenable number.

397048461 is a deficient number, since it is larger than the sum of its proper divisors (132349491).

397048461 is a wasteful number, since it uses less digits than its factorization.

397048461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132349490.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 397048461 is about 19926.0749019971. The cubic root of 397048461 is about 734.9895634596.

The spelling of 397048461 in words is "three hundred ninety-seven million, forty-eight thousand, four hundred sixty-one".