987401411 has 4 divisors (see below), whose sum is σ = 992917800. Its totient is φ = 981885024.

The previous prime is 987401399. The next prime is 987401413. The reversal of 987401411 is 114104789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 987401411 - 2¹⁸ = 987139267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987401413) 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, 2757926 + ... + 2758283.

It is an arithmetic number, because the mean of its divisors is an integer number (248229450).

Almost surely, 2^987401411 is an apocalyptic number.

987401411 is a deficient number, since it is larger than the sum of its proper divisors (5516389).

987401411 is a wasteful number, since it uses less digits than its factorization.

987401411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516388.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 987401411 is about 31422.9440218449. The cubic root of 987401411 is about 995.7827097989.

The spelling of 987401411 in words is "nine hundred eighty-seven million, four hundred one thousand, four hundred eleven".