346940947 has 24 divisors (see below), whose sum is σ = 387967104. Its totient is φ = 309137664.

The previous prime is 346940939. The next prime is 346940983. The reversal of 346940947 is 749049643.

It is not a de Polignac number, because 346940947 - 2³ = 346940939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346940897 and 346940906.

It is not an unprimeable number, because it can be changed into a prime (346940917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1555678 + ... + 1555900.

It is an arithmetic number, because the mean of its divisors is an integer number (16165296).

Almost surely, 2^346940947 is an apocalyptic number.

346940947 is a deficient number, since it is larger than the sum of its proper divisors (41026157).

346940947 is a wasteful number, since it uses less digits than its factorization.

346940947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 346940947 is about 18626.3508771847. The cubic root of 346940947 is about 702.6707137790.

The spelling of 346940947 in words is "three hundred forty-six million, nine hundred forty thousand, nine hundred forty-seven".