283471397 has 4 divisors (see below), whose sum is σ = 309241536. Its totient is φ = 257701260.

The previous prime is 283471387. The next prime is 283471403. The reversal of 283471397 is 793174382.

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 283471397 - 2⁶ = 283471333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283471367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12885053 + ... + 12885074.

It is an arithmetic number, because the mean of its divisors is an integer number (77310384).

Almost surely, 2^283471397 is an apocalyptic number.

It is an amenable number.

283471397 is a deficient number, since it is larger than the sum of its proper divisors (25770139).

283471397 is a wasteful number, since it uses less digits than its factorization.

283471397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25770138.

The product of its digits is 254016, while the sum is 44.

The square root of 283471397 is about 16836.6088331350. The cubic root of 283471397 is about 656.9057772267.

The spelling of 283471397 in words is "two hundred eighty-three million, four hundred seventy-one thousand, three hundred ninety-seven".