1067284397 has 4 divisors (see below), whose sum is σ = 1123457280. Its totient is φ = 1011111516.

The previous prime is 1067284369. The next prime is 1067284441. The reversal of 1067284397 is 7934827601.

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: 7934827601 = 61 ⋅130079141.

It is a cyclic number.

It is not a de Polignac number, because 1067284397 - 2⁶ = 1067284333 is a prime.

It is a super-2 number, since 2×1067284397² = 2278191968159307218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067284297) 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, 28086413 + ... + 28086450.

It is an arithmetic number, because the mean of its divisors is an integer number (280864320).

Almost surely, 2^1067284397 is an apocalyptic number.

It is an amenable number.

1067284397 is a deficient number, since it is larger than the sum of its proper divisors (56172883).

1067284397 is an equidigital number, since it uses as much as digits as its factorization.

1067284397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56172882.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 1067284397 is about 32669.3188940327. The cubic root of 1067284397 is about 1021.9431103707.

The spelling of 1067284397 in words is "one billion, sixty-seven million, two hundred eighty-four thousand, three hundred ninety-seven".