354490 has 8 divisors (see below), whose sum is σ = 638100. Its totient is φ = 141792.

The previous prime is 354479. The next prime is 354533. The reversal of 354490 is 94453.

It can be written as a sum of positive squares in 2 ways, for example, as 346921 + 7569 = 589^2 + 87^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17715 + ... + 17734.

2³⁵⁴⁴⁹⁰ is an apocalyptic number.

354490 is a deficient number, since it is larger than the sum of its proper divisors (283610).

354490 is a wasteful number, since it uses less digits than its factorization.

354490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35456.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 354490 is about 595.3906280754. The cubic root of 354490 is about 70.7730636890.

The spelling of 354490 in words is "three hundred fifty-four thousand, four hundred ninety".