349029378 has 16 divisors (see below), whose sum is σ = 775620960. Its totient is φ = 116343108.

The previous prime is 349029367. The next prime is 349029407. The reversal of 349029378 is 873920943.

It is a happy number.

349029378 is a `hidden beast` number, since 3 + 490 + 2 + 93 + 78 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231700 + ... + 3231807.

It is an arithmetic number, because the mean of its divisors is an integer number (48476310).

Almost surely, 2^349029378 is an apocalyptic number.

349029378 is an abundant number, since it is smaller than the sum of its proper divisors (426591582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349029378 is a wasteful number, since it uses less digits than its factorization.

349029378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463518 (or 6463512 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 349029378 is about 18682.3279598662. The cubic root of 349029378 is about 704.0778164349.

The spelling of 349029378 in words is "three hundred forty-nine million, twenty-nine thousand, three hundred seventy-eight".