351874 has 4 divisors (see below), whose sum is σ = 527814. Its totient is φ = 175936.

The previous prime is 351863. The next prime is 351887. The reversal of 351874 is 478153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478153 = 13 ⋅36781.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 225 = 593^2 + 15^2 .

It is an unprimeable number.

351874 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87967 + ... + 87970.

2³⁵¹⁸⁷⁴ is an apocalyptic number.

351874 is a deficient number, since it is larger than the sum of its proper divisors (175940).

351874 is a wasteful number, since it uses less digits than its factorization.

351874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175939.

The product of its digits is 3360, while the sum is 28.

The square root of 351874 is about 593.1896829851. The cubic root of 351874 is about 70.5985410062.

It can be divided in two parts, 351 and 874, that added together give a triangular number (1225 = T₄₉).

The spelling of 351874 in words is "three hundred fifty-one thousand, eight hundred seventy-four".