340877631 has 8 divisors (see below), whose sum is σ = 454589104. Its totient is φ = 227208960.

The previous prime is 340877599. The next prime is 340877683. The reversal of 340877631 is 136778043.

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

It is not a de Polignac number, because 340877631 - 2⁵ = 340877599 is a prime.

It is a super-2 number, since 2×340877631² = 232395118632344322, 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 340877631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340877231) 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, 23535 + ... + 35151.

It is an arithmetic number, because the mean of its divisors is an integer number (56823638).

Almost surely, 2^340877631 is an apocalyptic number.

340877631 is a deficient number, since it is larger than the sum of its proper divisors (113711473).

340877631 is a wasteful number, since it uses less digits than its factorization.

340877631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21401.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 340877631 is about 18462.8716888787. The cubic root of 340877631 is about 698.5532233925.

The spelling of 340877631 in words is "three hundred forty million, eight hundred seventy-seven thousand, six hundred thirty-one".