1400487 has 24 divisors (see below), whose sum is σ = 2161152. Its totient is φ = 799200.

The previous prime is 1400479. The next prime is 1400489. The reversal of 1400487 is 7840041.

It is not a de Polignac number, because 1400487 - 2³ = 1400479 is a prime.

It is a super-2 number, since 2×1400487² = 3922727674338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37833 + ... + 37869.

It is an arithmetic number, because the mean of its divisors is an integer number (90048).

2^1400487 is an apocalyptic number.

1400487 is a deficient number, since it is larger than the sum of its proper divisors (760665).

1400487 is a wasteful number, since it uses less digits than its factorization.

1400487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1400487 is about 1183.4217337872. The cubic root of 1400487 is about 111.8818641690.

The spelling of 1400487 in words is "one million, four hundred thousand, four hundred eighty-seven".