346425456 has 160 divisors (see below), whose sum is σ = 1033058880. Its totient is φ = 99434496.

The previous prime is 346425451. The next prime is 346425479. The reversal of 346425456 is 654524643.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346425451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3065656 + ... + 3065768.

It is an arithmetic number, because the mean of its divisors is an integer number (6456618).

Almost surely, 2^346425456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346425456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516529440).

346425456 is an abundant number, since it is smaller than the sum of its proper divisors (686633424).

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

346425456 is a wasteful number, since it uses less digits than its factorization.

346425456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 148 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The square root of 346425456 is about 18612.5080523824. The cubic root of 346425456 is about 702.3225277471.

It can be divided in two parts, 3464 and 25456, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 346425456 in words is "three hundred forty-six million, four hundred twenty-five thousand, four hundred fifty-six".