276401916 has 48 divisors (see below), whose sum is σ = 818970880. Its totient is φ = 78971760.

The previous prime is 276401903. The next prime is 276401933. The reversal of 276401916 is 619104672.

276401916 is a `hidden beast` number, since 2 + 7 + 640 + 1 + 9 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182050 + ... + 183561.

Almost surely, 2^276401916 is an apocalyptic number.

It is an amenable number.

276401916 is an abundant number, since it is smaller than the sum of its proper divisors (542568964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276401916 is a wasteful number, since it uses less digits than its factorization.

276401916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365631 (or 365623 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 276401916 is about 16625.3395754794. The cubic root of 276401916 is about 651.3988933353.

The spelling of 276401916 in words is "two hundred seventy-six million, four hundred one thousand, nine hundred sixteen".