10402487 has 8 divisors (see below), whose sum is σ = 11180016. Its totient is φ = 9643392.

The previous prime is 10402477. The next prime is 10402493. The reversal of 10402487 is 78420401.

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 10402487 - 2⁴ = 10402471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402477) 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, 3428 + ... + 5705.

It is an arithmetic number, because the mean of its divisors is an integer number (1397502).

Almost surely, 2^10402487 is an apocalyptic number.

10402487 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10402487 is a deficient number, since it is larger than the sum of its proper divisors (777529).

10402487 is an equidigital number, since it uses as much as digits as its factorization.

10402487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9217.

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

The square root of 10402487 is about 3225.2886692512. The cubic root of 10402487 is about 218.2959745466.

Adding to 10402487 its reverse (78420401), we get a palindrome (88822888).

The spelling of 10402487 in words is "ten million, four hundred two thousand, four hundred eighty-seven".