345861949 has 8 divisors (see below), whose sum is σ = 349611392. Its totient is φ = 342120240.

The previous prime is 345861931. The next prime is 345861961. The reversal of 345861949 is 949168543.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 345861949 - 2¹³ = 345853757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345861979) 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, 148504 + ... + 150814.

It is an arithmetic number, because the mean of its divisors is an integer number (43701424).

Almost surely, 2^345861949 is an apocalyptic number.

It is an amenable number.

345861949 is a deficient number, since it is larger than the sum of its proper divisors (3749443).

345861949 is a wasteful number, since it uses less digits than its factorization.

345861949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867.

The product of its digits is 933120, while the sum is 49.

The square root of 345861949 is about 18597.3640336473. The cubic root of 345861949 is about 701.9415141357.

The spelling of 345861949 in words is "three hundred forty-five million, eight hundred sixty-one thousand, nine hundred forty-nine".