348747945 has 192 divisors, whose sum is σ = 785998080. Its totient is φ = 130056192.

The previous prime is 348747941. The next prime is 348747947. The reversal of 348747945 is 549747843.

It is not a de Polignac number, because 348747945 - 2² = 348747941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (348747941) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3086209 + ... + 3086321.

It is an arithmetic number, because the mean of its divisors is an integer number (4093740).

Almost surely, 2^348747945 is an apocalyptic number.

348747945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

348747945 is an abundant number, since it is smaller than the sum of its proper divisors (437250135).

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

348747945 is a wasteful number, since it uses less digits than its factorization.

348747945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 177 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The square root of 348747945 is about 18674.7943763780. The cubic root of 348747945 is about 703.8885257650. Note that the first 3 decimals are identical.

The spelling of 348747945 in words is "three hundred forty-eight million, seven hundred forty-seven thousand, nine hundred forty-five".