340994631 has 8 divisors (see below), whose sum is σ = 454749040. Its totient is φ = 227284992.

The previous prime is 340994629. The next prime is 340994639. The reversal of 340994631 is 136499043.

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

It is not a de Polignac number, because 340994631 - 2¹ = 340994629 is a prime.

It is a super-2 number, since 2×340994631² = 232554676741652322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340994631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340994639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16071 + ... + 30663.

It is an arithmetic number, because the mean of its divisors is an integer number (56843630).

Almost surely, 2^340994631 is an apocalyptic number.

340994631 is a deficient number, since it is larger than the sum of its proper divisors (113754409).

340994631 is a wasteful number, since it uses less digits than its factorization.

340994631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22385.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 340994631 is about 18466.0399382217. The cubic root of 340994631 is about 698.6331361145.

The spelling of 340994631 in words is "three hundred forty million, nine hundred ninety-four thousand, six hundred thirty-one".