343988890 has 16 divisors (see below), whose sum is σ = 707634432. Its totient is φ = 117939024.

The previous prime is 343988867. The next prime is 343988903. The reversal of 343988890 is 98889343.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2456994 + ... + 2457133.

It is an arithmetic number, because the mean of its divisors is an integer number (44227152).

Almost surely, 2^343988890 is an apocalyptic number.

343988890 is an abundant number, since it is smaller than the sum of its proper divisors (363645542).

343988890 is a wasteful number, since it uses less digits than its factorization.

343988890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914141.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 343988890 is about 18546.9374830455. The cubic root of 343988890 is about 700.6720688271.

It can be divided in two parts, 3439 and 88890, that added together give a palindrome (92329).

The spelling of 343988890 in words is "three hundred forty-three million, nine hundred eighty-eight thousand, eight hundred ninety".