2420998 has 4 divisors (see below), whose sum is σ = 3631500. Its totient is φ = 1210498.

The previous prime is 2420993. The next prime is 2421031. The reversal of 2420998 is 8990242.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2420998² = 11722462632008, which contains 22 as substring.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605248 + ... + 605251.

It is an arithmetic number, because the mean of its divisors is an integer number (907875).

2^2420998 is an apocalyptic number.

2420998 is a deficient number, since it is larger than the sum of its proper divisors (1210502).

2420998 is a wasteful number, since it uses less digits than its factorization.

2420998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210501.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2420998 is about 1555.9556548951. The cubic root of 2420998 is about 134.2759221341.

The spelling of 2420998 in words is "two million, four hundred twenty thousand, nine hundred ninety-eight".