346865142 has 64 divisors (see below), whose sum is σ = 763176960. Its totient is φ = 104457600.

The previous prime is 346865137. The next prime is 346865153. The reversal of 346865142 is 241568643.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 346865142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1115167 + ... + 1115477.

It is an arithmetic number, because the mean of its divisors is an integer number (11924640).

Almost surely, 2^346865142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346865142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381588480).

346865142 is an abundant number, since it is smaller than the sum of its proper divisors (416311818).

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

346865142 is a wasteful number, since it uses less digits than its factorization.

346865142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589.

The product of its digits is 138240, while the sum is 39.

The square root of 346865142 is about 18624.3158800532. The cubic root of 346865142 is about 702.6195332791.

The spelling of 346865142 in words is "three hundred forty-six million, eight hundred sixty-five thousand, one hundred forty-two".