1058390749 has 8 divisors (see below), whose sum is σ = 1140306552. Its totient is φ = 976546560.

The previous prime is 1058390737. The next prime is 1058390797. The reversal of 1058390749 is 9470938501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 75568249 + 982822500 = 8693^2 + 31350^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1058390749 - 2⁷ = 1058390621 is a prime.

It is a super-2 number, since 2×1058390749² = 2240381955137562002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1058390699 and 1058390708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058391749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15057 + ... + 48409.

It is an arithmetic number, because the mean of its divisors is an integer number (142538319).

Almost surely, 2^1058390749 is an apocalyptic number.

It is an amenable number.

1058390749 is a deficient number, since it is larger than the sum of its proper divisors (81915803).

1058390749 is a wasteful number, since it uses less digits than its factorization.

1058390749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35807.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1058390749 is about 32532.9179293835. The cubic root of 1058390749 is about 1019.0965821723.

The spelling of 1058390749 in words is "one billion, fifty-eight million, three hundred ninety thousand, seven hundred forty-nine".