1057629 has 4 divisors (see below), whose sum is σ = 1410176. Its totient is φ = 705084.

The previous prime is 1057613. The next prime is 1057631. The reversal of 1057629 is 9267501.

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.

It is not a de Polignac number, because 1057629 - 2⁴ = 1057613 is a prime.

It is a super-2 number, since 2×1057629² = 2237158203282, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1057596 and 1057605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057699) 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, 176269 + ... + 176274.

It is an arithmetic number, because the mean of its divisors is an integer number (352544).

2^1057629 is an apocalyptic number.

It is an amenable number.

1057629 is a deficient number, since it is larger than the sum of its proper divisors (352547).

1057629 is an equidigital number, since it uses as much as digits as its factorization.

1057629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352546.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1057629 is about 1028.4109100938. The cubic root of 1057629 is about 101.8852034143.

The spelling of 1057629 in words is "one million, fifty-seven thousand, six hundred twenty-nine".