621102046 has 16 divisors (see below), whose sum is σ = 938741904. Its totient is φ = 308193984.

The previous prime is 621102037. The next prime is 621102059. The reversal of 621102046 is 640201126.

It is a super-2 number, since 2×621102046² = 771535503090772232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388120 + ... + 389716.

It is an arithmetic number, because the mean of its divisors is an integer number (58671369).

Almost surely, 2^621102046 is an apocalyptic number.

621102046 is a deficient number, since it is larger than the sum of its proper divisors (317639858).

621102046 is a wasteful number, since it uses less digits than its factorization.

621102046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 621102046 is about 24921.9189871085. The cubic root of 621102046 is about 853.2068233202.

The spelling of 621102046 in words is "six hundred twenty-one million, one hundred two thousand, forty-six".