1067634 has 32 divisors (see below), whose sum is σ = 2514240. Its totient is φ = 334656.

The previous prime is 1067621. The next prime is 1067639. The reversal of 1067634 is 4367601.

It is a super-2 number, since 2×1067634² = 2279684715912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1067598 and 1067607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067639) 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, 337 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (78570).

2^1067634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1067634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1257120).

1067634 is an abundant number, since it is smaller than the sum of its proper divisors (1446606).

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

1067634 is a wasteful number, since it uses less digits than its factorization.

1067634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1067634 is about 1033.2637610988. The cubic root of 1067634 is about 102.2054681812.

The spelling of 1067634 in words is "one million, sixty-seven thousand, six hundred thirty-four".