346140249 has 32 divisors (see below), whose sum is σ = 569425920. Its totient is φ = 182129472.

The previous prime is 346140209. The next prime is 346140251. The reversal of 346140249 is 942041643.

It is not a de Polignac number, because 346140249 - 2⁸ = 346139993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (346140209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129444 + ... + 132090.

It is an arithmetic number, because the mean of its divisors is an integer number (17794560).

Almost surely, 2^346140249 is an apocalyptic number.

346140249 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

346140249 is a deficient number, since it is larger than the sum of its proper divisors (223285671).

346140249 is a wasteful number, since it uses less digits than its factorization.

346140249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 346140249 is about 18604.8447722629. The cubic root of 346140249 is about 702.1297375495.

The spelling of 346140249 in words is "three hundred forty-six million, one hundred forty thousand, two hundred forty-nine".