340890372 has 72 divisors (see below), whose sum is σ = 886121600. Its totient is φ = 110455488.

The previous prime is 340890367. The next prime is 340890391. The reversal of 340890372 is 273098043.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189654 + ... + 191442.

Almost surely, 2^340890372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340890372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443060800).

340890372 is an abundant number, since it is smaller than the sum of its proper divisors (545231228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340890372 is a wasteful number, since it uses less digits than its factorization.

340890372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 340890372 is about 18463.2167294868. The cubic root of 340890372 is about 698.5619265701.

The spelling of 340890372 in words is "three hundred forty million, eight hundred ninety thousand, three hundred seventy-two".