621232026 has 32 divisors (see below), whose sum is σ = 1288526400. Its totient is φ = 199436160.

The previous prime is 621232019. The next prime is 621232061. The reversal of 621232026 is 620232126.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 621231987 and 621232005.

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, 68646 + ... + 77166.

It is an arithmetic number, because the mean of its divisors is an integer number (40266450).

Almost surely, 2^621232026 is an apocalyptic number.

621232026 is an abundant number, since it is smaller than the sum of its proper divisors (667294374).

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

621232026 is a wasteful number, since it uses less digits than its factorization.

621232026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8974.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 621232026 is about 24924.5265953037. The cubic root of 621232026 is about 853.2663369372.

The spelling of 621232026 in words is "six hundred twenty-one million, two hundred thirty-two thousand, twenty-six".