1400867 has 8 divisors (see below), whose sum is σ = 1519056. Its totient is φ = 1284192.

The previous prime is 1400863. The next prime is 1400873. The reversal of 1400867 is 7680041.

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

It is not a de Polignac number, because 1400867 - 2² = 1400863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400863) 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, 2288 + ... + 2834.

It is an arithmetic number, because the mean of its divisors is an integer number (189882).

2^1400867 is an apocalyptic number.

1400867 is a deficient number, since it is larger than the sum of its proper divisors (118189).

1400867 is a wasteful number, since it uses less digits than its factorization.

1400867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1400867 is about 1183.5822742843. The cubic root of 1400867 is about 111.8919823788.

The spelling of 1400867 in words is "one million, four hundred thousand, eight hundred sixty-seven".