1057630 has 32 divisors (see below), whose sum is σ = 2255040. Its totient is φ = 349440.

The previous prime is 1057613. The next prime is 1057631. The reversal of 1057630 is 367501.

1057630 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×1057630² = 2237162433800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (70470).

2^1057630 is an apocalyptic number.

1057630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057630 is an abundant number, since it is smaller than the sum of its proper divisors (1197410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057630 is a wasteful number, since it uses less digits than its factorization.

1057630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 1057630 is about 1028.4113962807. The cubic root of 1057630 is about 101.8852355255.

The spelling of 1057630 in words is "one million, fifty-seven thousand, six hundred thirty".