2479394 has 4 divisors (see below), whose sum is σ = 3719094. Its totient is φ = 1239696.

The previous prime is 2479387. The next prime is 2479409. The reversal of 2479394 is 4939742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4939742 = 2 ⋅2469871.

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 214369 = 1505^2 + 463^2 .

It is a super-2 number, since 2×2479394² = 12294789214472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619847 + ... + 619850.

2^2479394 is an apocalyptic number.

2479394 is a deficient number, since it is larger than the sum of its proper divisors (1239700).

2479394 is a wasteful number, since it uses less digits than its factorization.

2479394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239699.

The product of its digits is 54432, while the sum is 38.

The square root of 2479394 is about 1574.6091578547. The cubic root of 2479394 is about 135.3469630175.

The spelling of 2479394 in words is "two million, four hundred seventy-nine thousand, three hundred ninety-four".