270638436 has 24 divisors (see below), whose sum is σ = 668636640. Its totient is φ = 84906112.

The previous prime is 270638429. The next prime is 270638443. The reversal of 270638436 is 634836072.

It is an interprime number because it is at equal distance from previous prime (270638429) and next prime (270638443).

It is a junction number, because it is equal to n+sod(n) for n = 270638394 and 270638403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663126 + ... + 663533.

It is an arithmetic number, because the mean of its divisors is an integer number (27859860).

Almost surely, 2^270638436 is an apocalyptic number.

It is an amenable number.

270638436 is an abundant number, since it is smaller than the sum of its proper divisors (397998204).

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

270638436 is a wasteful number, since it uses less digits than its factorization.

270638436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326683 (or 1326681 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 270638436 is about 16451.0922433740. The cubic root of 270638436 is about 646.8394388442.

The spelling of 270638436 in words is "two hundred seventy million, six hundred thirty-eight thousand, four hundred thirty-six".