276421236 has 48 divisors (see below), whose sum is σ = 793828224. Its totient is φ = 72902016.

The previous prime is 276421219. The next prime is 276421261. The reversal of 276421236 is 632124672.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 276421197 and 276421206.

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, 125475 + ... + 127658.

It is an arithmetic number, because the mean of its divisors is an integer number (16538088).

Almost surely, 2^276421236 is an apocalyptic number.

276421236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

276421236 is an abundant number, since it is smaller than the sum of its proper divisors (517406988).

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

276421236 is a wasteful number, since it uses less digits than its factorization.

276421236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253160 (or 253158 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 276421236 is about 16625.9206060898. The cubic root of 276421236 is about 651.4140701879.

The spelling of 276421236 in words is "two hundred seventy-six million, four hundred twenty-one thousand, two hundred thirty-six".