340553983 has 16 divisors (see below), whose sum is σ = 425007360. Its totient is φ = 265104000.

The previous prime is 340553981. The next prime is 340554037. The reversal of 340553983 is 389355043.

It is not a de Polignac number, because 340553983 - 2¹ = 340553981 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 (340553981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120183 + ... + 122983.

It is an arithmetic number, because the mean of its divisors is an integer number (26562960).

Almost surely, 2^340553983 is an apocalyptic number.

340553983 is a deficient number, since it is larger than the sum of its proper divisors (84453377).

340553983 is a wasteful number, since it uses less digits than its factorization.

340553983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 340553983 is about 18454.1047737353. The cubic root of 340553983 is about 698.3320717499.

The spelling of 340553983 in words is "three hundred forty million, five hundred fifty-three thousand, nine hundred eighty-three".