620393049 has 12 divisors (see below), whose sum is σ = 925030912. Its totient is φ = 400253400.

The previous prime is 620393009. The next prime is 620393089. The reversal of 620393049 is 940393026.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (620393009) and next prime (620393089).

It is not a de Polignac number, because 620393049 - 2¹¹ = 620391001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620393009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111537 + ... + 1112094.

Almost surely, 2^620393049 is an apocalyptic number.

It is an amenable number.

620393049 is a deficient number, since it is larger than the sum of its proper divisors (304637863).

620393049 is a wasteful number, since it uses less digits than its factorization.

620393049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223668 (or 2223665 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 620393049 is about 24907.6905593433. The cubic root of 620393049 is about 852.8820503872.

The spelling of 620393049 in words is "six hundred twenty million, three hundred ninety-three thousand, forty-nine".