340303401 has 12 divisors (see below), whose sum is σ = 491720580. Its totient is φ = 226789920.

The previous prime is 340303387. The next prime is 340303409. The reversal of 340303401 is 104303043.

It can be written as a sum of positive squares in 2 ways, for example, as 301925376 + 38378025 = 17376^2 + 6195^2 .

It is not a de Polignac number, because 340303401 - 2⁷ = 340303273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340303409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33591 + ... + 42531.

It is an arithmetic number, because the mean of its divisors is an integer number (40976715).

Almost surely, 2^340303401 is an apocalyptic number.

It is an amenable number.

340303401 is a deficient number, since it is larger than the sum of its proper divisors (151417179).

340303401 is a wasteful number, since it uses less digits than its factorization.

340303401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13176 (or 13173 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 340303401 is about 18447.3141947547. The cubic root of 340303401 is about 698.1607505175.

Adding to 340303401 its reverse (104303043), we get a palindrome (444606444).

The spelling of 340303401 in words is "three hundred forty million, three hundred three thousand, four hundred one".