340776149 has 16 divisors (see below), whose sum is σ = 402800640. Its totient is φ = 282124080.

The previous prime is 340776127. The next prime is 340776173. The reversal of 340776149 is 941677043.

It is not a de Polignac number, because 340776149 - 2⁸ = 340775893 is a prime.

It is a super-2 number, since 2×340776149² = 232256767454540402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340776049) 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, 141812 + ... + 144194.

It is an arithmetic number, because the mean of its divisors is an integer number (25175040).

Almost surely, 2^340776149 is an apocalyptic number.

It is an amenable number.

340776149 is a deficient number, since it is larger than the sum of its proper divisors (62024491).

340776149 is a wasteful number, since it uses less digits than its factorization.

340776149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 340776149 is about 18460.1232119398. The cubic root of 340776149 is about 698.4838948830.

The spelling of 340776149 in words is "three hundred forty million, seven hundred seventy-six thousand, one hundred forty-nine".