1451940 has 48 divisors (see below), whose sum is σ = 4647552. Its totient is φ = 331776.

The previous prime is 1451929. The next prime is 1451959. The reversal of 1451940 is 491541.

1451940 = T₃₇₁ + T₃₇₂ + ... + T₃₉₀.

It is a self number, because there is not a number n which added to its sum of digits gives 1451940.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (96824).

2^1451940 is an apocalyptic number.

1451940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451940 is an abundant number, since it is smaller than the sum of its proper divisors (3195612).

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

1451940 is a wasteful number, since it uses less digits than its factorization.

1451940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1451940 is about 1204.9647297743. The cubic root of 1451940 is about 113.2355750624.

Adding to 1451940 its product of nonzero digits (720), we get a triangular number (1452660 = T₁₇₀₄).

The spelling of 1451940 in words is "one million, four hundred fifty-one thousand, nine hundred forty".