358003981 has 4 divisors (see below), whose sum is σ = 363347392. Its totient is φ = 352660572.

The previous prime is 358003979. The next prime is 358004021. The reversal of 358003981 is 189300853.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 189300853 = 7 ⋅27042979.

It is a cyclic number.

It is not a de Polignac number, because 358003981 - 2¹ = 358003979 is a prime.

It is a super-2 number, since 2×358003981² = 256333700823696722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 358003981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (358003781) 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, 2671605 + ... + 2671738.

It is an arithmetic number, because the mean of its divisors is an integer number (90836848).

Almost surely, 2^358003981 is an apocalyptic number.

It is an amenable number.

358003981 is a deficient number, since it is larger than the sum of its proper divisors (5343411).

358003981 is an equidigital number, since it uses as much as digits as its factorization.

358003981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343410.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 358003981 is about 18920.9931293260. The cubic root of 358003981 is about 710.0614778479.

The spelling of 358003981 in words is "three hundred fifty-eight million, three thousand, nine hundred eighty-one".