356421442 has 8 divisors (see below), whose sum is σ = 575757756. Its totient is φ = 164502192.

The previous prime is 356421433. The next prime is 356421467. The reversal of 356421442 is 244124653.

It can be written as a sum of positive squares in 2 ways, for example, as 327573801 + 28847641 = 18099^2 + 5371^2 .

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

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, 6854233 + ... + 6854284.

Almost surely, 2^356421442 is an apocalyptic number.

356421442 is a deficient number, since it is larger than the sum of its proper divisors (219336314).

356421442 is a wasteful number, since it uses less digits than its factorization.

356421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13708532.

The product of its digits is 23040, while the sum is 31.

The square root of 356421442 is about 18879.1271514337. The cubic root of 356421442 is about 709.0136684449.

The spelling of 356421442 in words is "three hundred fifty-six million, four hundred twenty-one thousand, four hundred forty-two".