346777452 has 72 divisors (see below), whose sum is σ = 1014540800. Its totient is φ = 97819488.

The previous prime is 346777429. The next prime is 346777471. The reversal of 346777452 is 254777643.

It is a super-2 number, since 2×346777452² = 240509202431224608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 346777398 and 346777407.

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, 11199 + ... + 28617.

Almost surely, 2^346777452 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 346777452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507270400).

346777452 is an abundant number, since it is smaller than the sum of its proper divisors (667763348).

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

346777452 is a wasteful number, since it uses less digits than its factorization.

346777452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515 (or 17510 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The square root of 346777452 is about 18621.9615508141. The cubic root of 346777452 is about 702.5603192002.

The spelling of 346777452 in words is "three hundred forty-six million, seven hundred seventy-seven thousand, four hundred fifty-two".