354344340 has 48 divisors (see below), whose sum is σ = 1133903232. Its totient is φ = 80992896.

The previous prime is 354344339. The next prime is 354344363. The reversal of 354344340 is 43443453.

It is a super-2 number, since 2×354344340² = 251119822580071200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 354344298 and 354344307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421419 + ... + 422258.

It is an arithmetic number, because the mean of its divisors is an integer number (23622984).

Almost surely, 2^354344340 is an apocalyptic number.

354344340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354344340 is an abundant number, since it is smaller than the sum of its proper divisors (779558892).

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

354344340 is a wasteful number, since it uses less digits than its factorization.

354344340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843696 (or 843694 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 354344340 is about 18824.0362303094. The cubic root of 354344340 is about 707.6336880642.

Adding to 354344340 its reverse (43443453), we get a palindrome (397787793).

The spelling of 354344340 in words is "three hundred fifty-four million, three hundred forty-four thousand, three hundred forty".