351442 has 16 divisors (see below), whose sum is σ = 649152. Its totient is φ = 138960.

The previous prime is 351437. The next prime is 351457. The reversal of 351442 is 244153.

It is a super-2 number, since 2×351442² = 247022958728, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784 + ... + 1147.

It is an arithmetic number, because the mean of its divisors is an integer number (40572).

2³⁵¹⁴⁴² is an apocalyptic number.

351442 is a deficient number, since it is larger than the sum of its proper divisors (297710).

351442 is a wasteful number, since it uses less digits than its factorization.

351442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its digits is 480, while the sum is 19.

The square root of 351442 is about 592.8254380507. The cubic root of 351442 is about 70.5696376114.

Adding to 351442 its reverse (244153), we get a palindrome (595595).

The spelling of 351442 in words is "three hundred fifty-one thousand, four hundred forty-two".