1397229573 has 8 divisors (see below), whose sum is σ = 1906297888. Its totient is φ = 909823824.

The previous prime is 1397229539. The next prime is 1397229607. The reversal of 1397229573 is 3759227931.

It is an interprime number because it is at equal distance from previous prime (1397229539) and next prime (1397229607).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1397229573 - 2⁹ = 1397229061 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 (1397229503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5415490 + ... + 5415747.

It is an arithmetic number, because the mean of its divisors is an integer number (238287236).

Almost surely, 2^1397229573 is an apocalyptic number.

It is an amenable number.

1397229573 is a deficient number, since it is larger than the sum of its proper divisors (509068315).

1397229573 is a wasteful number, since it uses less digits than its factorization.

1397229573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10831283.

The product of its digits is 714420, while the sum is 48.

The square root of 1397229573 is about 37379.5341463748. The cubic root of 1397229573 is about 1117.9505390714.

The spelling of 1397229573 in words is "one billion, three hundred ninety-seven million, two hundred twenty-nine thousand, five hundred seventy-three".