620049154 has 8 divisors (see below), whose sum is σ = 979025040. Its totient is φ = 293707476.

The previous prime is 620049139. The next prime is 620049161. The reversal of 620049154 is 451940026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×620049154² = 768921906752231432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8158504 + ... + 8158579.

It is an arithmetic number, because the mean of its divisors is an integer number (122378130).

Almost surely, 2^620049154 is an apocalyptic number.

620049154 is a deficient number, since it is larger than the sum of its proper divisors (358975886).

620049154 is a wasteful number, since it uses less digits than its factorization.

620049154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16317104.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 620049154 is about 24900.7862124873. The cubic root of 620049154 is about 852.7244319849.

The spelling of 620049154 in words is "six hundred twenty million, forty-nine thousand, one hundred fifty-four".