354740 has 12 divisors (see below), whose sum is σ = 744996. Its totient is φ = 141888.

The previous prime is 354737. The next prime is 354743. The reversal of 354740 is 47453.

It is an interprime number because it is at equal distance from previous prime (354737) and next prime (354743).

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 128164 = 476^2 + 358^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 354740.

It is not an unprimeable number, because it can be changed into a prime (354743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8849 + ... + 8888.

It is an arithmetic number, because the mean of its divisors is an integer number (62083).

2³⁵⁴⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

354740 is an abundant number, since it is smaller than the sum of its proper divisors (390256).

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

354740 is a wasteful number, since it uses less digits than its factorization.

354740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17746 (or 17744 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 354740 is about 595.6005372731. The cubic root of 354740 is about 70.7896970761.

The spelling of 354740 in words is "three hundred fifty-four thousand, seven hundred forty".