345467538 has 128 divisors (see below), whose sum is σ = 887040000. Its totient is φ = 98770752.

The previous prime is 345467533. The next prime is 345467539. The reversal of 345467538 is 835764543.

345467538 is a `hidden beast` number, since 3 + 4 + 54 + 67 + 538 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 345467493 and 345467502.

It is not an unprimeable number, because it can be changed into a prime (345467533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 786723 + ... + 787161.

It is an arithmetic number, because the mean of its divisors is an integer number (6930000).

Almost surely, 2^345467538 is an apocalyptic number.

345467538 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345467538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443520000).

345467538 is an abundant number, since it is smaller than the sum of its proper divisors (541572462).

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

345467538 is a wasteful number, since it uses less digits than its factorization.

345467538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 535 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 345467538 is about 18586.7570597993. The cubic root of 345467538 is about 701.6745880200.

The spelling of 345467538 in words is "three hundred forty-five million, four hundred sixty-seven thousand, five hundred thirty-eight".