346670028 has 36 divisors (see below), whose sum is σ = 882121968. Its totient is φ = 114789600.

The previous prime is 346669997. The next prime is 346670033. The reversal of 346670028 is 820076643.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 346669974 and 346670001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26451 + ... + 37322.

It is an arithmetic number, because the mean of its divisors is an integer number (24503388).

Almost surely, 2^346670028 is an apocalyptic number.

It is an amenable number.

346670028 is an abundant number, since it is smaller than the sum of its proper divisors (535451940).

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

346670028 is a wasteful number, since it uses less digits than its factorization.

346670028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63934 (or 63929 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 346670028 is about 18619.0769910863. The cubic root of 346670028 is about 702.4877658149.

The spelling of 346670028 in words is "three hundred forty-six million, six hundred seventy thousand, twenty-eight".