2421490 has 16 divisors (see below), whose sum is σ = 4376448. Its totient is φ = 964656.

The previous prime is 2421473. The next prime is 2421491. The reversal of 2421490 is 941242.

It is a super-2 number, since 2×2421490² = 11727227640200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2421491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4369 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (273528).

2^2421490 is an apocalyptic number.

2421490 is a deficient number, since it is larger than the sum of its proper divisors (1954958).

2421490 is a wasteful number, since it uses less digits than its factorization.

2421490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

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

The square root of 2421490 is about 1556.1137490556. The cubic root of 2421490 is about 134.2850174574.

The spelling of 2421490 in words is "two million, four hundred twenty-one thousand, four hundred ninety".