349907654 has 4 divisors (see below), whose sum is σ = 524861484. Its totient is φ = 174953826.

The previous prime is 349907639. The next prime is 349907693. The reversal of 349907654 is 456709943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 456709943 = 21143 ⋅21601.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 349907599 and 349907608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87476912 + ... + 87476915.

It is an arithmetic number, because the mean of its divisors is an integer number (131215371).

Almost surely, 2^349907654 is an apocalyptic number.

349907654 is a deficient number, since it is larger than the sum of its proper divisors (174953830).

349907654 is a wasteful number, since it uses less digits than its factorization.

349907654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174953829.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 349907654 is about 18705.8187203875. The cubic root of 349907654 is about 704.6678877690.

The spelling of 349907654 in words is "three hundred forty-nine million, nine hundred seven thousand, six hundred fifty-four".