1434441397 has 4 divisors (see below), whose sum is σ = 1436241996. Its totient is φ = 1432640800.

The previous prime is 1434441377. The next prime is 1434441401. The reversal of 1434441397 is 7931444341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7931444341 = 19 ⋅417444439.

It can be written as a sum of positive squares in 2 ways, for example, as 694111716 + 740329681 = 26346^2 + 27209^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434441397 - 2¹⁹ = 1433917109 is a prime.

It is a super-3 number, since 3×1434441397³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434441367) 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, 899104 + ... + 900697.

It is an arithmetic number, because the mean of its divisors is an integer number (359060499).

Almost surely, 2^1434441397 is an apocalyptic number.

It is an amenable number.

1434441397 is a deficient number, since it is larger than the sum of its proper divisors (1800599).

1434441397 is an equidigital number, since it uses as much as digits as its factorization.

1434441397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800598.

The product of its digits is 145152, while the sum is 40.

The square root of 1434441397 is about 37874.0200797328. The cubic root of 1434441397 is about 1127.7883483336.

The spelling of 1434441397 in words is "one billion, four hundred thirty-four million, four hundred forty-one thousand, three hundred ninety-seven".