348728534 has 48 divisors (see below), whose sum is σ = 673269408. Its totient is φ = 132528000.

The previous prime is 348728477. The next prime is 348728551. The reversal of 348728534 is 435827843.

It is a super-2 number, since 2×348728534² = 243223180851578312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66944 + ... + 71964.

It is an arithmetic number, because the mean of its divisors is an integer number (14026446).

Almost surely, 2^348728534 is an apocalyptic number.

348728534 is a deficient number, since it is larger than the sum of its proper divisors (324540874).

348728534 is a wasteful number, since it uses less digits than its factorization.

348728534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093 (or 5082 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 348728534 is about 18674.2746579352. The cubic root of 348728534 is about 703.8754662532.

The spelling of 348728534 in words is "three hundred forty-eight million, seven hundred twenty-eight thousand, five hundred thirty-four".