1002920379 has 4 divisors (see below), whose sum is σ = 1337227176. Its totient is φ = 668613584.

The previous prime is 1002920371. The next prime is 1002920381. The reversal of 1002920379 is 9730292001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9730292001 = 3 ⋅3243430667.

It is a cyclic number.

It is not a de Polignac number, because 1002920379 - 2³ = 1002920371 is a prime.

It is a super-2 number, since 2×1002920379² = 2011698573227007282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002920371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167153394 + ... + 167153399.

It is an arithmetic number, because the mean of its divisors is an integer number (334306794).

Almost surely, 2^1002920379 is an apocalyptic number.

1002920379 is a deficient number, since it is larger than the sum of its proper divisors (334306797).

1002920379 is an equidigital number, since it uses as much as digits as its factorization.

1002920379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334306796.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1002920379 is about 31668.9181848702. The cubic root of 1002920379 is about 1000.9725135774.

The spelling of 1002920379 in words is "one billion, two million, nine hundred twenty thousand, three hundred seventy-nine".