3540474 has 24 divisors (see below), whose sum is σ = 8767200. Its totient is φ = 1011528.

The previous prime is 3540461. The next prime is 3540487. The reversal of 3540474 is 4740453.

3540474 = 342² + 343² + ... + 369².

It is an interprime number because it is at equal distance from previous prime (3540461) and next prime (3540487).

It is a super-2 number, since 2×3540474² = 25069912289352, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13924 + ... + 14175.

It is an arithmetic number, because the mean of its divisors is an integer number (365300).

Almost surely, 2^3540474 is an apocalyptic number.

3540474 is an abundant number, since it is smaller than the sum of its proper divisors (5226726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3540474 is a wasteful number, since it uses less digits than its factorization.

3540474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28114 (or 28111 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 3540474 is about 1881.6147320852. The cubic root of 3540474 is about 152.4124589397.

The spelling of 3540474 in words is "three million, five hundred forty thousand, four hundred seventy-four".