262890428 has 6 divisors (see below), whose sum is σ = 460058256. Its totient is φ = 131445212.

The previous prime is 262890427. The next prime is 262890449. The reversal of 262890428 is 824098262.

It is a super-2 number, since 2×262890428² = 138222754268046368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262890421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32861300 + ... + 32861307.

It is an arithmetic number, because the mean of its divisors is an integer number (76676376).

Almost surely, 2^262890428 is an apocalyptic number.

It is an amenable number.

262890428 is a deficient number, since it is larger than the sum of its proper divisors (197167828).

262890428 is a wasteful number, since it uses less digits than its factorization.

262890428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65722611 (or 65722609 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 262890428 is about 16213.8961388064. The cubic root of 262890428 is about 640.6068690264.

The spelling of 262890428 in words is "two hundred sixty-two million, eight hundred ninety thousand, four hundred twenty-eight".