1402487 has 8 divisors (see below), whose sum is σ = 1458240. Its totient is φ = 1347840.

The previous prime is 1402477. The next prime is 1402493. The reversal of 1402487 is 7842041.

1402487 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 1402487 - 2⁸ = 1402231 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402417) 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 7 ways as a sum of consecutive naturals, for example, 3023 + ... + 3455.

It is an arithmetic number, because the mean of its divisors is an integer number (182280).

2^1402487 is an apocalyptic number.

1402487 is a deficient number, since it is larger than the sum of its proper divisors (55753).

1402487 is an equidigital number, since it uses as much as digits as its factorization.

1402487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1402487 is about 1184.2664396157. The cubic root of 1402487 is about 111.9350973885.

The spelling of 1402487 in words is "one million, four hundred two thousand, four hundred eighty-seven".